1310571505013 has 2 divisors, whose sum is σ = 1310571505014. Its totient is φ = 1310571505012.

The previous prime is 1310571504967. The next prime is 1310571505127. The reversal of 1310571505013 is 3105051750131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1282132729969 + 28438775044 = 1132313^2 + 168638^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310571505013 - 2⁸ = 1310571504757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310571505213) 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, 655285752506 + 655285752507.

It is an arithmetic number, because the mean of its divisors is an integer number (655285752507).

Almost surely, 2^{1310571505013} is an apocalyptic number.

It is an amenable number.

1310571505013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310571505013 is an equidigital number, since it uses as much as digits as its factorization.

1310571505013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7875, while the sum is 32.

The spelling of 1310571505013 in words is "one trillion, three hundred ten billion, five hundred seventy-one million, five hundred five thousand, thirteen".