3111042013 has 4 divisors (see below), whose sum is σ = 3140117280. Its totient is φ = 3081966748.

The previous prime is 3111041987. The next prime is 3111042047. The reversal of 3111042013 is 3102401113.

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 a de Polignac number, because none of the positive numbers 2^k-3111042013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111042113) 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, 14537473 + ... + 14537686.

It is an arithmetic number, because the mean of its divisors is an integer number (785029320).

Almost surely, 2^3111042013 is an apocalyptic number.

It is an amenable number.

3111042013 is a deficient number, since it is larger than the sum of its proper divisors (29075267).

3111042013 is a wasteful number, since it uses less digits than its factorization.

3111042013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29075266.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3111042013 is about 55776.7156885380. The cubic root of 3111042013 is about 1459.8289054838.

Adding to 3111042013 its reverse (3102401113), we get a palindrome (6213443126).

The spelling of 3111042013 in words is "three billion, one hundred eleven million, forty-two thousand, thirteen".