3113891687 has 8 divisors (see below), whose sum is σ = 3125037600. Its totient is φ = 3102760224.

The previous prime is 3113891653. The next prime is 3113891701. The reversal of 3113891687 is 7861983113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3113891687 - 2⁶ = 3113891623 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 (3113891387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596573 + ... + 601769.

It is an arithmetic number, because the mean of its divisors is an integer number (390629700).

Almost surely, 2^3113891687 is an apocalyptic number.

3113891687 is a deficient number, since it is larger than the sum of its proper divisors (11145913).

3113891687 is a wasteful number, since it uses less digits than its factorization.

3113891687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7225.

The product of its digits is 217728, while the sum is 47.

The square root of 3113891687 is about 55802.2552142832. The cubic root of 3113891687 is about 1460.2744975529.

The spelling of 3113891687 in words is "three billion, one hundred thirteen million, eight hundred ninety-one thousand, six hundred eighty-seven".