Q: What is the negative version of the number 31,131,661?
A: -31,131,661
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:
| 31,131,659 | 31,131,660 | 31,131,662 | 31,131,663 |
| -31,131,659 | -31,131,660 | -31,131,662 | -31,131,663 |