3111718493 has 16 divisors (see below), whose sum is σ = 3435801600. Its totient is φ = 2799861120.

The previous prime is 3111718447. The next prime is 3111718517. The reversal of 3111718493 is 3948171113.

It is a cyclic number.

It is not a de Polignac number, because 3111718493 - 2²⁶ = 3044609629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111712493) 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, 935888 + ... + 939206.

It is an arithmetic number, because the mean of its divisors is an integer number (214737600).

Almost surely, 2^3111718493 is an apocalyptic number.

It is an amenable number.

3111718493 is a deficient number, since it is larger than the sum of its proper divisors (324083107).

3111718493 is a wasteful number, since it uses less digits than its factorization.

3111718493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5132.

The product of its digits is 18144, while the sum is 38.

The square root of 3111718493 is about 55782.7795381335. The cubic root of 3111718493 is about 1459.9347085645.

The spelling of 3111718493 in words is "three billion, one hundred eleven million, seven hundred eighteen thousand, four hundred ninety-three".