12303331131 has 64 divisors (see below), whose sum is σ = 20780039168. Its totient is φ = 6300799488.

The previous prime is 12303331129. The next prime is 12303331153. The reversal of 12303331131 is 13113330321.

It is not a de Polignac number, because 12303331131 - 2¹ = 12303331129 is a prime.

It is a super-2 number, since 2×12303331131² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12303331098 and 12303331107.

It is not an unprimeable number, because it can be changed into a prime (12303331111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6190920 + ... + 6192906.

It is an arithmetic number, because the mean of its divisors is an integer number (324688112).

Almost surely, 2^12303331131 is an apocalyptic number.

12303331131 is a deficient number, since it is larger than the sum of its proper divisors (8476708037).

12303331131 is a wasteful number, since it uses less digits than its factorization.

12303331131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 12303331131 its reverse (13113330321), we get a palindrome (25416661452).

The spelling of 12303331131 in words is "twelve billion, three hundred three million, three hundred thirty-one thousand, one hundred thirty-one".