Q: What is the negative version of the number 231,031,561?
A: -231,031,561
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 231,031,559 | 231,031,560 | 231,031,562 | 231,031,563 |
| -231,031,559 | -231,031,560 | -231,031,562 | -231,031,563 |