1315020633931 has 2 divisors, whose sum is σ = 1315020633932. Its totient is φ = 1315020633930.

The previous prime is 1315020633863. The next prime is 1315020633989. The reversal of 1315020633931 is 1393360205131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1315020633931 - 2²⁷ = 1314886416203 is a prime.

It is a super-2 number, since 2×1315020633931² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1315020633991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657510316965 + 657510316966.

It is an arithmetic number, because the mean of its divisors is an integer number (657510316966).

Almost surely, 2^{1315020633931} is an apocalyptic number.

1315020633931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315020633931 is an equidigital number, since it uses as much as digits as its factorization.

1315020633931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 37.

The spelling of 1315020633931 in words is "one trillion, three hundred fifteen billion, twenty million, six hundred thirty-three thousand, nine hundred thirty-one".