3103112312013 has 16 divisors (see below), whose sum is σ = 4728933795456. Its totient is φ = 1773063897600.

The previous prime is 3103112311853. The next prime is 3103112312093. The reversal of 3103112312013 is 3102132113013.

It is a happy number.

It is not a de Polignac number, because 3103112312013 - 2³² = 3098817344717 is a prime.

It is a super-2 number, since 2×3103112312013² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103112312093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5697456 + ... + 6218297.

It is an arithmetic number, because the mean of its divisors is an integer number (295558362216).

Almost surely, 2^{3103112312013} is an apocalyptic number.

It is an amenable number.

3103112312013 is a deficient number, since it is larger than the sum of its proper divisors (1625821483443).

3103112312013 is a wasteful number, since it uses less digits than its factorization.

3103112312013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11928164.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 3103112312013 its reverse (3102132113013), we get a palindrome (6205244425026).

The spelling of 3103112312013 in words is "three trillion, one hundred three billion, one hundred twelve million, three hundred twelve thousand, thirteen".