11310312013 has 48 divisors (see below), whose sum is σ = 15511621888. Its totient is φ = 8023276800.

The previous prime is 11310311921. The next prime is 11310312017. The reversal of 11310312013 is 31021301311.

It is not a de Polignac number, because 11310312013 - 2⁹ = 11310311501 is a prime.

It is a super-2 number, since 2×11310312013² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11310312017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 796768 + ... + 810838.

Almost surely, 2^11310312013 is an apocalyptic number.

11310312013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11310312013 is a deficient number, since it is larger than the sum of its proper divisors (4201309875).

11310312013 is a wasteful number, since it uses less digits than its factorization.

11310312013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14186 (or 14175 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11310312013 its reverse (31021301311), we get a palindrome (42331613324).

It can be divided in two parts, 11310 and 312013, that added together give a palindrome (323323).

The spelling of 11310312013 in words is "eleven billion, three hundred ten million, three hundred twelve thousand, thirteen".