23312231131 has 24 divisors (see below), whose sum is σ = 28068405120. Its totient is φ = 19282580352.

The previous prime is 23312231057. The next prime is 23312231171. The reversal of 23312231131 is 13113221332.

It is not a de Polignac number, because 23312231131 - 2¹⁵ = 23312198363 is a prime.

It is a super-2 number, since 2×23312231131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23312231171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3852150 + ... + 3858196.

It is an arithmetic number, because the mean of its divisors is an integer number (1169516880).

Almost surely, 2^23312231131 is an apocalyptic number.

23312231131 is a deficient number, since it is larger than the sum of its proper divisors (4756173989).

23312231131 is a wasteful number, since it uses less digits than its factorization.

23312231131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8803 (or 8796 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

Adding to 23312231131 its reverse (13113221332), we get a palindrome (36425452463).

The spelling of 23312231131 in words is "twenty-three billion, three hundred twelve million, two hundred thirty-one thousand, one hundred thirty-one".