23312304403031 has 16 divisors (see below), whose sum is σ = 27374139987264. Its totient is φ = 19433796804864.

The previous prime is 23312304403007. The next prime is 23312304403099. The reversal of 23312304403031 is 13030440321332.

It is a cyclic number.

It is not a de Polignac number, because 23312304403031 - 2²² = 23312300208727 is a prime.

It is a super-2 number, since 2×23312304403031² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23312304402985 and 23312304403003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23312304403831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18186920 + ... + 19426493.

It is an arithmetic number, because the mean of its divisors is an integer number (1710883749204).

Almost surely, 2^{23312304403031} is an apocalyptic number.

23312304403031 is a deficient number, since it is larger than the sum of its proper divisors (4061835584233).

23312304403031 is a wasteful number, since it uses less digits than its factorization.

23312304403031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37615850.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 23312304403031 its reverse (13030440321332), we get a palindrome (36342744724363).

The spelling of 23312304403031 in words is "twenty-three trillion, three hundred twelve billion, three hundred four million, four hundred three thousand, thirty-one".