231412032 has 56 divisors (see below), whose sum is σ = 680313600. Its totient is φ = 77136768.

The previous prime is 231412031. The next prime is 231412033. The reversal of 231412032 is 230214132.

231412032 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231412031) and next prime (231412033).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 231411996 and 231412014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231412031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65232 + ... + 68687.

Almost surely, 2^231412032 is an apocalyptic number.

It is an amenable number.

231412032 is an abundant number, since it is smaller than the sum of its proper divisors (448901568).

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

231412032 is a wasteful number, since it uses less digits than its factorization.

231412032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133940 (or 133924 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 231412032 is about 15212.2329721839. The cubic root of 231412032 is about 613.9438386529.

Adding to 231412032 its reverse (230214132), we get a palindrome (461626164).

The spelling of 231412032 in words is "two hundred thirty-one million, four hundred twelve thousand, thirty-two".