Q: What is the negative version of the number 231,542,221?
A: -231,542,221
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:
| 231,542,219 | 231,542,220 | 231,542,222 | 231,542,223 |
| -231,542,219 | -231,542,220 | -231,542,222 | -231,542,223 |