Q: What is the negative version of the number 231,021,399?
A: -231,021,399
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:
| 231,021,397 | 231,021,398 | 231,021,400 | 231,021,401 |
| -231,021,397 | -231,021,398 | -231,021,400 | -231,021,401 |