We look at the division of 31189963 by 13 
We're looking to find how many times 13 goes into 31189963.

Step 1:
13 can be fit into 3 0 times, resulting in a remainder of 3.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we take 0 away from 3, we end up with 3.
Append the next digit (1) from the dividend to 3 and continue with: 31 / 13

Going ahead to step 2:
13 goes into 31 2 times with a remainder of 5.
Put 2 as the next digit of the answer. 
Result so far: 2.0
If we take 26 away from 31, we end up with 5.
Include the next digit (1) from the dividend after 5, then repeat: 51 / 13

Moving on to step 3:
13 goes into 51 3 times with a remainder of 12.
The next digit of our result is 3. 
Result so far: 23.0
If we subtract 39 from 51, we get 12.
Fetch the next digit (8) from the dividend, attach it to 12 and continue: 128 / 13

Advancing to step 4:
The number 13 fits into 128 9 times, leaving a remainder of 11.
The next digit of our result is 9. 
Result so far: 239.0
Subtracting 117 from 128 leaves us with 11.
Append the next digit (9) from the dividend to 11 and continue with: 119 / 13

Advancing to step 5:
13 goes into 119 9 times with a remainder of 2.
The next digit of our result is 9. 
Result so far: 2399.0
Subtracting 117 from 119 leaves us with 2.
Append the next digit (9) from the dividend to 2 and continue with: 29 / 13

On to step 6:
If we divide 29 by 13, we get 2 and a remainder of 3.
The number 2 becomes the next digit in our result. 
Result so far: 23992.0
If we subtract 26 from 29, we get 3.
Include the next digit (6) from the dividend after 3, then repeat: 36 / 13

Advancing to step 7:
13 can be fit into 36 2 times, resulting in a remainder of 10.
Write down 2 as next digit of the result. 
Result so far: 239922.0
If we subtract 26 from 36, we get 10.
Fetch the next digit (3) from the dividend, attach it to 10 and continue: 103 / 13

Step 8:
When dividing 103 by 13, we get 7 with a remainder of 12.
Put 7 as the next digit of the answer. 
Result so far: 2399227.0
Subtracting 91 from 103 leaves us with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Moving on to step 9:
120 divided by 13 is 9 with a remainder of 3.
The number 9 becomes the next digit in our result. 
Result so far: 2399227.9
Subtract 117 from 120 to get 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Advancing to step 10:
The number 13 fits into 30 2 times, leaving a remainder of 4.
The number 2 becomes the next digit in our result. 
Result so far: 2399227.92
Subtract 26 from 30 to get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

On to step 11:
13 can be fit into 40 3 times, resulting in a remainder of 1.
The next digit of our result is 3. 
Result so far: 2399227.923
If we subtract 39 from 40, we get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Step 12:
13 can be fit into 10 0 times, resulting in a remainder of 10.
Record the quotient 0 as the next digit in the result. 
Result so far: 2399227.923
The remainder is 10 after subtracting 0 from 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

On to step 13:
If we divide 100 by 13, we get 7 and a remainder of 9.
Put 7 as the next digit of the answer. 
Result so far: 2399227.92307
Subtracting 91 from 100 leaves us with 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Step 14:
The number 13 fits into 90 6 times, leaving a remainder of 12.
Write down 6 as next digit of the result. 
Result so far: 2399227.923076
The remainder is 12 after subtracting 78 from 90.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Going ahead to step 15:
If we divide 120 by 13, we get 9 and a remainder of 3.
Record the quotient 9 as the next digit in the result. 
Result so far: 2399227.9230769
Subtracting 117 from 120 leaves us with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Moving on to step 16:
When dividing 30 by 13, we get 2 with a remainder of 4.
Use 2 as the next digit of our solution. 
Result so far: 2399227.92307692
Deduct 26 from 30 and we're left with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

The final outcome is 2399227.92307692, with a leftover of 4e-09.