1310011013 has 4 divisors (see below), whose sum is σ = 1316219808. Its totient is φ = 1303802220.

The previous prime is 1310010979. The next prime is 1310011033. The reversal of 1310011013 is 3101100131.

It is a happy number.

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 1310011013 - 2¹⁰ = 1310009989 is a prime.

It is a super-2 number, since 2×1310011013² = 3432257708362572338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310010985 and 1310011003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310011033) 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, 3104081 + ... + 3104502.

It is an arithmetic number, because the mean of its divisors is an integer number (329054952).

Almost surely, 2^1310011013 is an apocalyptic number.

It is an amenable number.

1310011013 is a deficient number, since it is larger than the sum of its proper divisors (6208795).

1310011013 is an equidigital number, since it uses as much as digits as its factorization.

1310011013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6208794.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 1310011013 is about 36194.0742801912. The cubic root of 1310011013 is about 1094.1872475764.

Adding to 1310011013 its reverse (3101100131), we get a palindrome (4411111144).

The spelling of 1310011013 in words is "one billion, three hundred ten million, eleven thousand, thirteen".