23321330131 has 4 divisors (see below), whose sum is σ = 25441451064. Its totient is φ = 21201209200.

The previous prime is 23321330129. The next prime is 23321330209. The reversal of 23321330131 is 13103312332.

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 23321330131 - 2¹ = 23321330129 is a prime.

It is a super-2 number, since 2×23321330131² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23321336131) 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, 1060060450 + ... + 1060060471.

It is an arithmetic number, because the mean of its divisors is an integer number (6360362766).

Almost surely, 2^23321330131 is an apocalyptic number.

23321330131 is a deficient number, since it is larger than the sum of its proper divisors (2120120933).

23321330131 is a wasteful number, since it uses less digits than its factorization.

23321330131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120120932.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 23321330131 its reverse (13103312332), we get a palindrome (36424642463).

The spelling of 23321330131 in words is "twenty-three billion, three hundred twenty-one million, three hundred thirty thousand, one hundred thirty-one".