1315005113 has 2 divisors, whose sum is σ = 1315005114. Its totient is φ = 1315005112.

The previous prime is 1315005091. The next prime is 1315005179. The reversal of 1315005113 is 3115005131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1123791529 + 191213584 = 33523^2 + 13828^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315005113 - 2³⁰ = 241263289 is a prime.

It is a super-2 number, since 2×1315005113² = 3458476894432285538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1315005193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657502556 + 657502557.

It is an arithmetic number, because the mean of its divisors is an integer number (657502557).

Almost surely, 2^1315005113 is an apocalyptic number.

It is an amenable number.

1315005113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315005113 is an equidigital number, since it uses as much as digits as its factorization.

1315005113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 1315005113 is about 36262.9992278631. Note that the first 3 decimals coincide. The cubic root of 1315005113 is about 1095.5759257746.

The spelling of 1315005113 in words is "one billion, three hundred fifteen million, five thousand, one hundred thirteen".