Q: Is 312,523,121 a Palindrome?
A: No, the number 312,523,121 is not a palindrome.
A palindromic number is number that remains the same when its digits are reversed.
Here's how to check if a number is a palindrome:
Step 1
Take the original number and reverse it.
Here is the original number color coded:
312523121
Now we reverse it like this:
121325213
Notice the colors are going in the opposite direction now
Step 2
Compare the two numbers. If they are exactly the same then the number is a palindrome.
Is 312523121 = 121325213?
Answer:
NO, so that means the number 312,523,121 is not a palindrome!
Here are more examples of potential palindrome numbers in sequence:
| Number | 312,523,119 | 312,523,120 | 312,523,122 | 312,523,123 |
| Palindrome? | no | no | no | no |