Q: What is the negative version of the number 31,217,840?
A: -31,217,840
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:
| 31,217,838 | 31,217,839 | 31,217,841 | 31,217,842 |
| -31,217,838 | -31,217,839 | -31,217,841 | -31,217,842 |