1313050504357 has 2 divisors, whose sum is σ = 1313050504358. Its totient is φ = 1313050504356.

The previous prime is 1313050504351. The next prime is 1313050504433. The reversal of 1313050504357 is 7534050503131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 968474460321 + 344576044036 = 984111^2 + 587006^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313050504357 - 2⁷ = 1313050504229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313050504351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656525252178 + 656525252179.

It is an arithmetic number, because the mean of its divisors is an integer number (656525252179).

Almost surely, 2^{1313050504357} is an apocalyptic number.

It is an amenable number.

1313050504357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313050504357 is an equidigital number, since it uses as much as digits as its factorization.

1313050504357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94500, while the sum is 37.

The spelling of 1313050504357 in words is "one trillion, three hundred thirteen billion, fifty million, five hundred four thousand, three hundred fifty-seven".