23310311231 has 16 divisors (see below), whose sum is σ = 23807746560. Its totient is φ = 22817773440.

The previous prime is 23310311191. The next prime is 23310311267. The reversal of 23310311231 is 13211301332.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23310311231 is a prime.

It is a super-2 number, since 2×23310311231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23310313231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7472090 + ... + 7475208.

It is an arithmetic number, because the mean of its divisors is an integer number (1487984160).

Almost surely, 2^23310311231 is an apocalyptic number.

23310311231 is a deficient number, since it is larger than the sum of its proper divisors (497435329).

23310311231 is a wasteful number, since it uses less digits than its factorization.

23310311231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3854.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 23310311231 its reverse (13211301332), we get a palindrome (36521612563).

The spelling of 23310311231 in words is "twenty-three billion, three hundred ten million, three hundred eleven thousand, two hundred thirty-one".