3113123131313 has 4 divisors (see below), whose sum is σ = 3352594141428. Its totient is φ = 2873652121200.

The previous prime is 3113123131301. The next prime is 3113123131361. The reversal of 3113123131313 is 3131313213113.

3113123131313 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 525310397089 + 2587812734224 = 724783^2 + 1608668^2 .

It is a cyclic number.

It is not a de Polignac number, because 3113123131313 - 2²² = 3113118937009 is a prime.

It is a super-2 number, since 2×3113123131313² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3113123133313) 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, 119735505038 + ... + 119735505063.

It is an arithmetic number, because the mean of its divisors is an integer number (838148535357).

Almost surely, 2^{3113123131313} is an apocalyptic number.

It is an amenable number.

3113123131313 is a deficient number, since it is larger than the sum of its proper divisors (239471010115).

3113123131313 is a wasteful number, since it uses less digits than its factorization.

3113123131313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239471010114.

The product of its digits is 1458, while the sum is 26.

Adding to 3113123131313 its reverse (3131313213113), we get a palindrome (6244436344426).

The spelling of 3113123131313 in words is "three trillion, one hundred thirteen billion, one hundred twenty-three million, one hundred thirty-one thousand, three hundred thirteen".