Q: What is the negative version of the number 213,031,209?
A: -213,031,209
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:
| 213,031,207 | 213,031,208 | 213,031,210 | 213,031,211 |
| -213,031,207 | -213,031,208 | -213,031,210 | -213,031,211 |