Q: What is the negative version of the number 31,399,999?
A: -31,399,999
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:
| 31,399,997 | 31,399,998 | 31,400,000 | 31,400,001 |
| -31,399,997 | -31,399,998 | -31,400,000 | -31,400,001 |