3113891651 has 4 divisors (see below), whose sum is σ = 3353421792. Its totient is φ = 2874361512.

The previous prime is 3113891629. The next prime is 3113891653. The reversal of 3113891651 is 1561983113.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3113891651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3113891653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119765051 + ... + 119765076.

It is an arithmetic number, because the mean of its divisors is an integer number (838355448).

Almost surely, 2^3113891651 is an apocalyptic number.

3113891651 is a deficient number, since it is larger than the sum of its proper divisors (239530141).

3113891651 is a wasteful number, since it uses less digits than its factorization.

3113891651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239530140.

The product of its digits is 19440, while the sum is 38.

The square root of 3113891651 is about 55802.2548917156. The cubic root of 3113891651 is about 1460.2744919254.

The spelling of 3113891651 in words is "three billion, one hundred thirteen million, eight hundred ninety-one thousand, six hundred fifty-one".