1315102513 has 2 divisors, whose sum is σ = 1315102514. Its totient is φ = 1315102512.

The previous prime is 1315102489. The next prime is 1315102531. The reversal of 1315102513 is 3152015131.

Together with next prime (1315102531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1315005169 + 97344 = 36263^2 + 312^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315102513 - 2⁹ = 1315102001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1315102543) 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, 657551256 + 657551257.

It is an arithmetic number, because the mean of its divisors is an integer number (657551257).

Almost surely, 2^1315102513 is an apocalyptic number.

It is an amenable number.

1315102513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315102513 is an equidigital number, since it uses as much as digits as its factorization.

1315102513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1315102513 is about 36264.3421696851. The cubic root of 1315102513 is about 1095.6029742019.

Adding to 1315102513 its reverse (3152015131), we get a palindrome (4467117644).

The spelling of 1315102513 in words is "one billion, three hundred fifteen million, one hundred two thousand, five hundred thirteen".