Q: What is the negative version of the number 31,431,220?
A: -31,431,220
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:
| 31,431,218 | 31,431,219 | 31,431,221 | 31,431,222 |
| -31,431,218 | -31,431,219 | -31,431,221 | -31,431,222 |