119 is: ciento diecinueve.
119 = CXIX
I write 620 billion as 620 billion.
Sixteen point two billion is how I would write it.
You write 3.56 billion as 3,560,000,000.
119
40,300,000,000
1.19
one hundred nineteen
119/40
As a number it is: 1,800,000,000 = 1.8 billion
Since you asked how I would write the number, the answer is 1031.