3123041313 has 12 divisors (see below), whose sum is σ = 4843901040. Its totient is φ = 1784594952.

The previous prime is 3123041309. The next prime is 3123041323. The reversal of 3123041313 is 3131403213.

It is not a de Polignac number, because 3123041313 - 2² = 3123041309 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3123041313.

It is not an unprimeable number, because it can be changed into a prime (3123041303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10622443 + ... + 10622736.

It is an arithmetic number, because the mean of its divisors is an integer number (403658420).

Almost surely, 2^3123041313 is an apocalyptic number.

It is an amenable number.

3123041313 is a deficient number, since it is larger than the sum of its proper divisors (1720859727).

3123041313 is a wasteful number, since it uses less digits than its factorization.

3123041313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21245196 (or 21245189 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 3123041313 is about 55884.1776623760. The cubic root of 3123041313 is about 1461.7033527053.

Adding to 3123041313 its reverse (3131403213), we get a palindrome (6254444526).

The spelling of 3123041313 in words is "three billion, one hundred twenty-three million, forty-one thousand, three hundred thirteen".