1312313130013 has 6 divisors (see below), whose sum is σ = 1359125727674. Its totient is φ = 1267060952304.

The previous prime is 1312313129971. The next prime is 1312313130019. The reversal of 1312313130013 is 3100313132131.

It can be written as a sum of positive squares in 3 ways, for example, as 20221693209 + 1292091436804 = 142203^2 + 1136702^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1312313130013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312313130019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 780209106 + ... + 780210787.

Almost surely, 2^{1312313130013} is an apocalyptic number.

It is an amenable number.

1312313130013 is a deficient number, since it is larger than the sum of its proper divisors (46812597661).

1312313130013 is an equidigital number, since it uses as much as digits as its factorization.

1312313130013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560419951 (or 1560419922 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1312313130013 its reverse (3100313132131), we get a palindrome (4412626262144).

The spelling of 1312313130013 in words is "one trillion, three hundred twelve billion, three hundred thirteen million, one hundred thirty thousand, thirteen".