232331231 has 8 divisors (see below), whose sum is σ = 268361424. Its totient is φ = 198785920.

The previous prime is 232331201. The next prime is 232331237. The reversal of 232331231 is 132133232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 232331231 - 2¹⁸ = 232069087 is a prime.

It is a super-2 number, since 2×232331231² = 107955601795950722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232331237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621020 + ... + 621393.

It is an arithmetic number, because the mean of its divisors is an integer number (33545178).

Almost surely, 2^232331231 is an apocalyptic number.

232331231 is a deficient number, since it is larger than the sum of its proper divisors (36030193).

232331231 is a wasteful number, since it uses less digits than its factorization.

232331231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242441.

The product of its digits is 648, while the sum is 20.

The square root of 232331231 is about 15242.4155237941. The cubic root of 232331231 is about 614.7556532560.

Adding to 232331231 its reverse (132133232), we get a palindrome (364464463).

The spelling of 232331231 in words is "two hundred thirty-two million, three hundred thirty-one thousand, two hundred thirty-one".