12332331131 has 4 divisors (see below), whose sum is σ = 13057762392. Its totient is φ = 11606899872.

The previous prime is 12332331079. The next prime is 12332331133. The reversal of 12332331131 is 13113323321.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12332331131 - 2²⁶ = 12265222267 is a prime.

It is a super-2 number, since 2×12332331131² (a number of 21 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 = 12332331097 and 12332331106.

It is not an unprimeable number, because it can be changed into a prime (12332331133) 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, 362715605 + ... + 362715638.

It is an arithmetic number, because the mean of its divisors is an integer number (3264440598).

Almost surely, 2^12332331131 is an apocalyptic number.

12332331131 is a deficient number, since it is larger than the sum of its proper divisors (725431261).

12332331131 is an equidigital number, since it uses as much as digits as its factorization.

12332331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725431260.

The product of its digits is 972, while the sum is 23.

Adding to 12332331131 its reverse (13113323321), we get a palindrome (25445654452).

The spelling of 12332331131 in words is "twelve billion, three hundred thirty-two million, three hundred thirty-one thousand, one hundred thirty-one".