232400331 has 6 divisors (see below), whose sum is σ = 335689380. Its totient is φ = 154933548.

The previous prime is 232400327. The next prime is 232400339. The reversal of 232400331 is 133004232.

232400331 is a `hidden beast` number, since 232 + 400 + 3 + 31 = 666.

It is not a de Polignac number, because 232400331 - 2² = 232400327 is a prime.

It is a super-2 number, since 2×232400331² = 108019827697819122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (232400339) 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, 12911121 + ... + 12911138.

It is an arithmetic number, because the mean of its divisors is an integer number (55948230).

Almost surely, 2^232400331 is an apocalyptic number.

232400331 is a deficient number, since it is larger than the sum of its proper divisors (103289049).

232400331 is a wasteful number, since it uses less digits than its factorization.

232400331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25822265 (or 25822262 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 232400331 is about 15244.6820563762. The cubic root of 232400331 is about 614.8165941301.

Adding to 232400331 its reverse (133004232), we get a palindrome (365404563).

The spelling of 232400331 in words is "two hundred thirty-two million, four hundred thousand, three hundred thirty-one".