31914002371681 has 8 divisors (see below), whose sum is σ = 32726116092384. Its totient is φ = 31105067179200.

The previous prime is 31914002371633. The next prime is 31914002371747. The reversal of 31914002371681 is 18617320041913.

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 31914002371681 - 2⁷ = 31914002371553 is a prime.

It is a super-2 number, since 2×31914002371681² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31914002371081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 794611720 + ... + 794651881.

It is an arithmetic number, because the mean of its divisors is an integer number (4090764511548).

Almost surely, 2^{31914002371681} is an apocalyptic number.

It is an amenable number.

31914002371681 is a deficient number, since it is larger than the sum of its proper divisors (812113720703).

31914002371681 is a wasteful number, since it uses less digits than its factorization.

31914002371681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589264111.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 31914002371681 in words is "thirty-one trillion, nine hundred fourteen billion, two million, three hundred seventy-one thousand, six hundred eighty-one".