Q: What is the negative version of the number 31,121,220?
A: -31,121,220
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:
| 31,121,218 | 31,121,219 | 31,121,221 | 31,121,222 |
| -31,121,218 | -31,121,219 | -31,121,221 | -31,121,222 |