313040123129317 has 2 divisors, whose sum is σ = 313040123129318. Its totient is φ = 313040123129316.

The previous prime is 313040123129297. The next prime is 313040123129323. The reversal of 313040123129317 is 713921321040313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 291610574938881 + 21429548190436 = 17076609^2 + 4629206^2 .

It is a cyclic number.

It is not a de Polignac number, because 313040123129317 - 2¹⁹ = 313040122605029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313040123129317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313040123129917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156520061564658 + 156520061564659.

It is an arithmetic number, because the mean of its divisors is an integer number (156520061564659).

Almost surely, 2^{313040123129317} is an apocalyptic number.

It is an amenable number.

313040123129317 is a deficient number, since it is larger than the sum of its proper divisors (1).

313040123129317 is an equidigital number, since it uses as much as digits as its factorization.

313040123129317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 313040123129317 in words is "three hundred thirteen trillion, forty billion, one hundred twenty-three million, one hundred twenty-nine thousand, three hundred seventeen".