231012232 has 24 divisors (see below), whose sum is σ = 476106750. Its totient is φ = 105005120.

The previous prime is 231012169. The next prime is 231012233. The reversal of 231012232 is 232210132.

It can be written as a sum of positive squares in only one way, i.e., 228432996 + 2579236 = 15114^2 + 1606^2 .

It is not an unprimeable number, because it can be changed into a prime (231012233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118357 + ... + 120292.

Almost surely, 2^231012232 is an apocalyptic number.

231012232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231012232 is an abundant number, since it is smaller than the sum of its proper divisors (245094518).

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

231012232 is a wasteful number, since it uses less digits than its factorization.

231012232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238677 (or 238662 counting only the distinct ones).

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

The square root of 231012232 is about 15199.0865515004. The cubic root of 231012232 is about 613.5900739357.

Adding to 231012232 its reverse (232210132), we get a palindrome (463222364).

The spelling of 231012232 in words is "two hundred thirty-one million, twelve thousand, two hundred thirty-two".