331013312023 has 4 divisors (see below), whose sum is σ = 331017005008. Its totient is φ = 331009619040.

The previous prime is 331013312009. The next prime is 331013312053. The reversal of 331013312023 is 320213310133.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331013312023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331013311985 and 331013312003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331013312053) 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, 1708611 + ... + 1892452.

It is an arithmetic number, because the mean of its divisors is an integer number (82754251252).

Almost surely, 2^331013312023 is an apocalyptic number.

331013312023 is a deficient number, since it is larger than the sum of its proper divisors (3692985).

331013312023 is an equidigital number, since it uses as much as digits as its factorization.

331013312023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3692984.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 331013312023 its reverse (320213310133), we get a palindrome (651226622156).

The spelling of 331013312023 in words is "three hundred thirty-one billion, thirteen million, three hundred twelve thousand, twenty-three".