313230232331 has 4 divisors (see below), whose sum is σ = 313692906912. Its totient is φ = 312767557752.

The previous prime is 313230232309. The next prime is 313230232361. The reversal of 313230232331 is 133232032313.

It is a happy number.

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 313230232331 - 2⁶ = 313230232267 is a prime.

It is a super-2 number, since 2×313230232331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313230232331.

It is not an unprimeable number, because it can be changed into a prime (313230232361) 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, 231336275 + ... + 231337628.

It is an arithmetic number, because the mean of its divisors is an integer number (78423226728).

Almost surely, 2^313230232331 is an apocalyptic number.

313230232331 is a deficient number, since it is larger than the sum of its proper divisors (462674581).

313230232331 is an equidigital number, since it uses as much as digits as its factorization.

313230232331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462674580.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 313230232331 its reverse (133232032313), we get a palindrome (446462264644).

The spelling of 313230232331 in words is "three hundred thirteen billion, two hundred thirty million, two hundred thirty-two thousand, three hundred thirty-one".