Alright, let's work through 13608698 times 31577693 step by step
13608698 × 31577693 = 31577693 × (13608698)
+ 31577693 × 8 giving us 252621544
+ 31577693 × 90 giving us 2841992370
+ 31577693 × 600 yielding 18946615800
+ 31577693 × 8000 which equals 252621544000
+ 31577693 × 00000 what gives us 0
+ 31577693 × 600000 resulting in 18946615800000
+ 31577693 × 3000000 resulting in 94733079000000
+ 31577693 × 10000000 that results in 315776930000000

= 429731287573714
