Alright, let's work through 41831305 times 31380072 step by step
41831305 × 31380072 = 31380072 × (41831305)
+ 31380072 × 5 that is equal 156900360
+ 31380072 × 00 yielding 0
+ 31380072 × 300 resulting in 9414021600
+ 31380072 × 1000 which equals 31380072000
+ 31380072 × 30000 that equals 941402160000
+ 31380072 × 800000 giving us 25104057600000
+ 31380072 × 1000000 that equals 31380072000000
+ 31380072 × 40000000 that equals 1255202880000000

= 1312669362753960
