Adding to 231210 its reverse (12132), we get a palindrome (243342).
It is a happy number.
231210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
231210 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2231210 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 231210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231210 is a wasteful number, since it uses less digits than its factorization.
231210 is an odious number, because the sum of its binary digits is odd.
The square root of 231210 is about 480.8430097235. The cubic root of 231210 is about 61.3765120756.
The spelling of 231210 in words is "two hundred thirty-one thousand, two hundred ten".