23321022131 has 16 divisors (see below), whose sum is σ = 25627298400. Its totient is φ = 21046260480.

The previous prime is 23321022121. The next prime is 23321022149. The reversal of 23321022131 is 13122012332.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23321022131 is a prime.

It is a super-2 number, since 2×23321022131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23321022121) 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, 978545 + ... + 1002093.

It is an arithmetic number, because the mean of its divisors is an integer number (1601706150).

Almost surely, 2^23321022131 is an apocalyptic number.

23321022131 is a deficient number, since it is larger than the sum of its proper divisors (2306276269).

23321022131 is a wasteful number, since it uses less digits than its factorization.

23321022131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24214.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23321022131 its reverse (13122012332), we get a palindrome (36443034463).

The spelling of 23321022131 in words is "twenty-three billion, three hundred twenty-one million, twenty-two thousand, one hundred thirty-one".