13112020313317 has 2 divisors, whose sum is σ = 13112020313318. Its totient is φ = 13112020313316.

The previous prime is 13112020313291. The next prime is 13112020313389. The reversal of 13112020313317 is 71331302021131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9177803601121 + 3934216712196 = 3029489^2 + 1983486^2 .

It is a cyclic number.

It is not a de Polignac number, because 13112020313317 - 2²³ = 13112011924709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13112020313017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556010156658 + 6556010156659.

It is an arithmetic number, because the mean of its divisors is an integer number (6556010156659).

Almost surely, 2^{13112020313317} is an apocalyptic number.

It is an amenable number.

13112020313317 is a deficient number, since it is larger than the sum of its proper divisors (1).

13112020313317 is an equidigital number, since it uses as much as digits as its factorization.

13112020313317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

Adding to 13112020313317 its reverse (71331302021131), we get a palindrome (84443322334448).

The spelling of 13112020313317 in words is "thirteen trillion, one hundred twelve billion, twenty million, three hundred thirteen thousand, three hundred seventeen".