A billion is a thousand million, so, 3.1billion is 3,100,000,000
In the US, it is 31 billion 850 million dollars.
3.1 x 10 to the adkfjdklajld jcmcdsjf power
I write 620 billion as 620 billion.
Sixteen point two billion is how I would write it.
31 billion is larger 6 billion 227 million 20 thousand 800 is much smaller than 31 billion or 31,000,000,000 vs 6,227,020,800
You write 3.56 billion as 3,560,000,000.
40,300,000,000
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.
1,000 billion billion is: 1,000,000,000,000,000,000,000
35.9204067 billion
1 billion seconds is about 31 years and 215.56 days