12313232331 has 16 divisors (see below), whose sum is σ = 16884477984. Its totient is φ = 7976012544.

The previous prime is 12313232317. The next prime is 12313232339. The reversal of 12313232331 is 13323231321.

It is not a de Polignac number, because 12313232331 - 2¹¹ = 12313230283 is a prime.

It is a super-2 number, since 2×12313232331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12313232339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5695 + ... + 157031.

It is an arithmetic number, because the mean of its divisors is an integer number (1055279874).

Almost surely, 2^12313232331 is an apocalyptic number.

12313232331 is a deficient number, since it is larger than the sum of its proper divisors (4571245653).

12313232331 is a wasteful number, since it uses less digits than its factorization.

12313232331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152110.

The product of its digits is 1944, while the sum is 24.

Adding to 12313232331 its reverse (13323231321), we get a palindrome (25636463652).

The spelling of 12313232331 in words is "twelve billion, three hundred thirteen million, two hundred thirty-two thousand, three hundred thirty-one".