23320120331131 has 12 divisors (see below), whose sum is σ = 25934450156112. Its totient is φ = 20944473971616.

The previous prime is 23320120331129. The next prime is 23320120331143. The reversal of 23320120331131 is 13113302102332.

It is not a de Polignac number, because 23320120331131 - 2¹ = 23320120331129 is a prime.

It is a super-2 number, since 2×23320120331131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23320120331096 and 23320120331105.

It is not an unprimeable number, because it can be changed into a prime (23320120331231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1864708311 + ... + 1864720816.

It is an arithmetic number, because the mean of its divisors is an integer number (2161204179676).

Almost surely, 2^{23320120331131} is an apocalyptic number.

23320120331131 is a deficient number, since it is larger than the sum of its proper divisors (2614329824981).

23320120331131 is a wasteful number, since it uses less digits than its factorization.

23320120331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3729429190 (or 3729429177 counting only the distinct ones).

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

Adding to 23320120331131 its reverse (13113302102332), we get a palindrome (36433422433463).

The spelling of 23320120331131 in words is "twenty-three trillion, three hundred twenty billion, one hundred twenty million, three hundred thirty-one thousand, one hundred thirty-one".