232331 has 4 divisors (see below), whose sum is σ = 253464. Its totient is φ = 211200.

The previous prime is 232307. The next prime is 232333. The reversal of 232331 is 133232.

232331 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-232331 is a prime.

It is a super-2 number, since 2×232331² = 107955387122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10550 + ... + 10571.

It is an arithmetic number, because the mean of its divisors is an integer number (63366).

2²³²³³¹ is an apocalyptic number.

232331 is a deficient number, since it is larger than the sum of its proper divisors (21133).

232331 is a wasteful number, since it uses less digits than its factorization.

232331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21132.

The product of its digits is 108, while the sum is 14.

The square root of 232331 is about 482.0072613561. The cubic root of 232331 is about 61.4755449512.

Adding to 232331 its reverse (133232), we get a palindrome (365563).

Subtracting from 232331 its reverse (133232), we obtain a palindrome (99099).

The spelling of 232331 in words is "two hundred thirty-two thousand, three hundred thirty-one".