Q: What is the negative version of the number 221,431,131?
A: -221,431,131
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:
| 221,431,129 | 221,431,130 | 221,431,132 | 221,431,133 |
| -221,431,129 | -221,431,130 | -221,431,132 | -221,431,133 |