1310003209913 has 2 divisors, whose sum is σ = 1310003209914. Its totient is φ = 1310003209912.

The previous prime is 1310003209901. The next prime is 1310003209943. The reversal of 1310003209913 is 3199023000131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1222380105769 + 87623104144 = 1105613^2 + 296012^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310003209913 - 2³⁰ = 1308929468089 is a prime.

It is a super-2 number, since 2×1310003209913² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1310003209913.

It is not a weakly prime, because it can be changed into another prime (1310003209943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655001604956 + 655001604957.

It is an arithmetic number, because the mean of its divisors is an integer number (655001604957).

Almost surely, 2^{1310003209913} is an apocalyptic number.

It is an amenable number.

1310003209913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310003209913 is an equidigital number, since it uses as much as digits as its factorization.

1310003209913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 32.

The spelling of 1310003209913 in words is "one trillion, three hundred ten billion, three million, two hundred nine thousand, nine hundred thirteen".