13112310031397 has 2 divisors, whose sum is σ = 13112310031398. Its totient is φ = 13112310031396.

The previous prime is 13112310031283. The next prime is 13112310031421. The reversal of 13112310031397 is 79313001321131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8816469316516 + 4295840714881 = 2969254^2 + 2072641^2 .

It is a cyclic number.

It is not a de Polignac number, because 13112310031397 - 2¹² = 13112310027301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13112310931397) 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 as a sum of consecutive naturals, namely, 6556155015698 + 6556155015699.

It is an arithmetic number, because the mean of its divisors is an integer number (6556155015699).

Almost surely, 2^{13112310031397} is an apocalyptic number.

It is an amenable number.

13112310031397 is a deficient number, since it is larger than the sum of its proper divisors (1).

13112310031397 is an equidigital number, since it uses as much as digits as its factorization.

13112310031397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 35.

The spelling of 13112310031397 in words is "thirteen trillion, one hundred twelve billion, three hundred ten million, thirty-one thousand, three hundred ninety-seven".