12331332317 has 2 divisors, whose sum is σ = 12331332318. Its totient is φ = 12331332316.

The previous prime is 12331332311. The next prime is 12331332337. The reversal of 12331332317 is 71323313321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9727679641 + 2603652676 = 98629^2 + 51026^2 .

It is a cyclic number.

It is not a de Polignac number, because 12331332317 - 2²⁰ = 12330283741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12331332317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12331332311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6165666158 + 6165666159.

It is an arithmetic number, because the mean of its divisors is an integer number (6165666159).

Almost surely, 2^12331332317 is an apocalyptic number.

It is an amenable number.

12331332317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12331332317 is an equidigital number, since it uses as much as digits as its factorization.

12331332317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 29.

Adding to 12331332317 its reverse (71323313321), we get a palindrome (83654645638).

The spelling of 12331332317 in words is "twelve billion, three hundred thirty-one million, three hundred thirty-two thousand, three hundred seventeen".