12310023131117 has 2 divisors, whose sum is σ = 12310023131118. Its totient is φ = 12310023131116.

The previous prime is 12310023131099. The next prime is 12310023131173. The reversal of 12310023131117 is 71113132001321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10662974307241 + 1647048823876 = 3265421^2 + 1283374^2 .

It is a cyclic number.

It is not a de Polignac number, because 12310023131117 - 2¹⁸ = 12310022868973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12310023131177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155011565558 + 6155011565559.

It is an arithmetic number, because the mean of its divisors is an integer number (6155011565559).

Almost surely, 2^{12310023131117} is an apocalyptic number.

It is an amenable number.

12310023131117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12310023131117 is an equidigital number, since it uses as much as digits as its factorization.

12310023131117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

Adding to 12310023131117 its reverse (71113132001321), we get a palindrome (83423155132438).

The spelling of 12310023131117 in words is "twelve trillion, three hundred ten billion, twenty-three million, one hundred thirty-one thousand, one hundred seventeen".