13112520051313 has 2 divisors, whose sum is σ = 13112520051314. Its totient is φ = 13112520051312.

The previous prime is 13112520051247. The next prime is 13112520051329. The reversal of 13112520051313 is 31315002521131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13064299404849 + 48220646464 = 3614457^2 + 219592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13112520051313 is a prime.

It is not a weakly prime, because it can be changed into another prime (13112520051353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556260025656 + 6556260025657.

It is an arithmetic number, because the mean of its divisors is an integer number (6556260025657).

Almost surely, 2^{13112520051313} is an apocalyptic number.

It is an amenable number.

13112520051313 is a deficient number, since it is larger than the sum of its proper divisors (1).

13112520051313 is an equidigital number, since it uses as much as digits as its factorization.

13112520051313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 13112520051313 its reverse (31315002521131), we get a palindrome (44427522572444).

The spelling of 13112520051313 in words is "thirteen trillion, one hundred twelve billion, five hundred twenty million, fifty-one thousand, three hundred thirteen".