23203201131 has 12 divisors (see below), whose sum is σ = 36562620120. Its totient is φ = 14062546080.

The previous prime is 23203201127. The next prime is 23203201169. The reversal of 23203201131 is 13110230232.

23203201131 is a `hidden beast` number, since 232 + 0 + 320 + 113 + 1 = 666.

It is not a de Polignac number, because 23203201131 - 2² = 23203201127 is a prime.

It is a super-2 number, since 2×23203201131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23203201331) 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, 117187786 + ... + 117187983.

It is an arithmetic number, because the mean of its divisors is an integer number (3046885010).

Almost surely, 2^23203201131 is an apocalyptic number.

23203201131 is a deficient number, since it is larger than the sum of its proper divisors (13359418989).

23203201131 is a wasteful number, since it uses less digits than its factorization.

23203201131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234375786 (or 234375783 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23203201131 its reverse (13110230232), we get a palindrome (36313431363).

The spelling of 23203201131 in words is "twenty-three billion, two hundred three million, two hundred one thousand, one hundred thirty-one".