3130968691313 has 4 divisors (see below), whose sum is σ = 3161968381428. Its totient is φ = 3099969001200.

The previous prime is 3130968691307. The next prime is 3130968691379. The reversal of 3130968691313 is 3131968690313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2074199083264 + 1056769608049 = 1440208^2 + 1027993^2 .

It is a cyclic number.

It is not a de Polignac number, because 3130968691313 - 2⁸ = 3130968691057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3130968691303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15499844906 + ... + 15499845107.

It is an arithmetic number, because the mean of its divisors is an integer number (790492095357).

Almost surely, 2^{3130968691313} is an apocalyptic number.

It is an amenable number.

3130968691313 is a deficient number, since it is larger than the sum of its proper divisors (30999690115).

3130968691313 is a wasteful number, since it uses less digits than its factorization.

3130968691313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30999690114.

The product of its (nonzero) digits is 1889568, while the sum is 53.

The spelling of 3130968691313 in words is "three trillion, one hundred thirty billion, nine hundred sixty-eight million, six hundred ninety-one thousand, three hundred thirteen".