231232210 has 96 divisors (see below), whose sum is σ = 482630400. Its totient is φ = 79622400.

The previous prime is 231232159. The next prime is 231232217. The reversal of 231232210 is 12232132.

It is not an unprimeable number, because it can be changed into a prime (231232217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2926951 + ... + 2927029.

It is an arithmetic number, because the mean of its divisors is an integer number (5027400).

Almost surely, 2^231232210 is an apocalyptic number.

231232210 is an abundant number, since it is smaller than the sum of its proper divisors (251398190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231232210 is a wasteful number, since it uses less digits than its factorization.

231232210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 231232210 is about 15206.3213828986. The cubic root of 231232210 is about 613.7847728566.

Adding to 231232210 its reverse (12232132), we get a palindrome (243464342).

The spelling of 231232210 in words is "two hundred thirty-one million, two hundred thirty-two thousand, two hundred ten".