1315102013 has 2 divisors, whose sum is σ = 1315102014. Its totient is φ = 1315102012.

The previous prime is 1315102007. The next prime is 1315102069. The reversal of 1315102013 is 3102015131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1281496804 + 33605209 = 35798^2 + 5797^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315102013 - 2²² = 1310907709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1315101982 and 1315102000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315102513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657551006 + 657551007.

It is an arithmetic number, because the mean of its divisors is an integer number (657551007).

Almost surely, 2^1315102013 is an apocalyptic number.

It is an amenable number.

1315102013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315102013 is an equidigital number, since it uses as much as digits as its factorization.

1315102013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 1315102013 is about 36264.3352758602. The cubic root of 1315102013 is about 1095.6028353530.

Adding to 1315102013 its reverse (3102015131), we get a palindrome (4417117144).

The spelling of 1315102013 in words is "one billion, three hundred fifteen million, one hundred two thousand, thirteen".