1313310013 has 4 divisors (see below), whose sum is σ = 1316357568. Its totient is φ = 1310262460.

The previous prime is 1313309971. The next prime is 1313310029. The reversal of 1313310013 is 3100133131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1313310013 - 2²⁹ = 776439101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313310083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1523131 + ... + 1523992.

It is an arithmetic number, because the mean of its divisors is an integer number (329089392).

Almost surely, 2^1313310013 is an apocalyptic number.

It is an amenable number.

1313310013 is a deficient number, since it is larger than the sum of its proper divisors (3047555).

1313310013 is an equidigital number, since it uses as much as digits as its factorization.

1313310013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047554.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 1313310013 is about 36239.6193826591. The cubic root of 1313310013 is about 1095.1049746806.

Adding to 1313310013 its reverse (3100133131), we get a palindrome (4413443144).

The spelling of 1313310013 in words is "one billion, three hundred thirteen million, three hundred ten thousand, thirteen".