1310303013 has 4 divisors (see below), whose sum is σ = 1747070688. Its totient is φ = 873535340.

The previous prime is 1310303011. The next prime is 1310303041. The reversal of 1310303013 is 3103030131.

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 1310303013 - 2¹ = 1310303011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1310302983 and 1310303001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310303011) 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, 218383833 + ... + 218383838.

It is an arithmetic number, because the mean of its divisors is an integer number (436767672).

Almost surely, 2^1310303013 is an apocalyptic number.

It is an amenable number.

1310303013 is a deficient number, since it is larger than the sum of its proper divisors (436767675).

1310303013 is an equidigital number, since it uses as much as digits as its factorization.

1310303013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436767674.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 1310303013 is about 36198.1078649147. The cubic root of 1310303013 is about 1094.2685392442.

Adding to 1310303013 its reverse (3103030131), we get a palindrome (4413333144).

The spelling of 1310303013 in words is "one billion, three hundred ten million, three hundred three thousand, thirteen".