318232404232813 has 4 divisors (see below), whose sum is σ = 363694176266080. Its totient is φ = 272770632199548.

The previous prime is 318232404232807. The next prime is 318232404232817.

318232404232813 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 318232404232813 - 2⁴¹ = 316033380977261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318232404232817) 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, 22730886016623 + ... + 22730886016636.

It is an arithmetic number, because the mean of its divisors is an integer number (90923544066520).

Almost surely, 2^{318232404232813} is an apocalyptic number.

It is an amenable number.

318232404232813 is a deficient number, since it is larger than the sum of its proper divisors (45461772033267).

318232404232813 is an equidigital number, since it uses as much as digits as its factorization.

318232404232813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45461772033266.

The product of its (nonzero) digits is 1327104, while the sum is 46.

The spelling of 318232404232813 in words is "three hundred eighteen trillion, two hundred thirty-two billion, four hundred four million, two hundred thirty-two thousand, eight hundred thirteen".