232001331 has 4 divisors (see below), whose sum is σ = 309335112. Its totient is φ = 154667552.

The previous prime is 232001327. The next prime is 232001389. The reversal of 232001331 is 133100232.

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

It is a cyclic number.

It is not a de Polignac number, because 232001331 - 2² = 232001327 is a prime.

It is a super-2 number, since 2×232001331² = 107649235171543122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 232001331.

It is not an unprimeable number, because it can be changed into a prime (232001321) 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, 38666886 + ... + 38666891.

It is an arithmetic number, because the mean of its divisors is an integer number (77333778).

Almost surely, 2^232001331 is an apocalyptic number.

232001331 is a deficient number, since it is larger than the sum of its proper divisors (77333781).

232001331 is an equidigital number, since it uses as much as digits as its factorization.

232001331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77333780.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 232001331 is about 15231.5899038807. The cubic root of 232001331 is about 614.4645402078.

Adding to 232001331 its reverse (133100232), we get a palindrome (365101563).

It can be divided in two parts, 23200 and 1331, that added together give a triangular number (24531 = T₂₂₁).

The spelling of 232001331 in words is "two hundred thirty-two million, one thousand, three hundred thirty-one".