23131302012331 has 8 divisors (see below), whose sum is σ = 23289994967904. Its totient is φ = 22972849320960.

The previous prime is 23131302012271. The next prime is 23131302012337. The reversal of 23131302012331 is 13321020313132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23131302012331 is a prime.

It is a super-2 number, since 2×23131302012331² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23131302012296 and 23131302012305.

It is not an unprimeable number, because it can be changed into a prime (23131302012337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59872840 + ... + 60257941.

It is an arithmetic number, because the mean of its divisors is an integer number (2911249370988).

Almost surely, 2^{23131302012331} is an apocalyptic number.

23131302012331 is a deficient number, since it is larger than the sum of its proper divisors (158692955573).

23131302012331 is a wasteful number, since it uses less digits than its factorization.

23131302012331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120132101.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 23131302012331 its reverse (13321020313132), we get a palindrome (36452322325463).

The spelling of 23131302012331 in words is "twenty-three trillion, one hundred thirty-one billion, three hundred two million, twelve thousand, three hundred thirty-one".