231313504 has 12 divisors (see below), whose sum is σ = 455398524. Its totient is φ = 115656736.

The previous prime is 231313493. The next prime is 231313519. The reversal of 231313504 is 405313132.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3614242 + ... + 3614305.

It is an arithmetic number, because the mean of its divisors is an integer number (37949877).

Almost surely, 2^231313504 is an apocalyptic number.

It is an amenable number.

231313504 is a deficient number, since it is larger than the sum of its proper divisors (224085020).

231313504 is an equidigital number, since it uses as much as digits as its factorization.

231313504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7228557 (or 7228549 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 231313504 is about 15208.9941810759. The cubic root of 231313504 is about 613.8566935938.

Adding to 231313504 its reverse (405313132), we get a palindrome (636626636).

The spelling of 231313504 in words is "two hundred thirty-one million, three hundred thirteen thousand, five hundred four".