23312042131 has 4 divisors (see below), whose sum is σ = 26642333872. Its totient is φ = 19981750392.

The previous prime is 23312042123. The next prime is 23312042137. The reversal of 23312042131 is 13124021332.

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 23312042131 - 2³ = 23312042123 is a prime.

It is a super-2 number, since 2×23312042131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23312042137) 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, 1665145860 + ... + 1665145873.

It is an arithmetic number, because the mean of its divisors is an integer number (6660583468).

Almost surely, 2^23312042131 is an apocalyptic number.

23312042131 is a deficient number, since it is larger than the sum of its proper divisors (3330291741).

23312042131 is an equidigital number, since it uses as much as digits as its factorization.

23312042131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330291740.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 23312042131 its reverse (13124021332), we get a palindrome (36436063463).

The spelling of 23312042131 in words is "twenty-three billion, three hundred twelve million, forty-two thousand, one hundred thirty-one".