31971830114881 has 8 divisors (see below), whose sum is σ = 31978421910144. Its totient is φ = 31965238981200.

The previous prime is 31971830114831. The next prime is 31971830114891. The reversal of 31971830114881 is 18841103817913.

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 31971830114881 - 2⁷ = 31971830114753 is a prime.

It is a super-2 number, since 2×31971830114881² (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 (31971830114831) 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, 103029606 + ... + 103339456.

It is an arithmetic number, because the mean of its divisors is an integer number (3997302738768).

Almost surely, 2^{31971830114881} is an apocalyptic number.

It is an amenable number.

31971830114881 is a deficient number, since it is larger than the sum of its proper divisors (6591795263).

31971830114881 is a wasteful number, since it uses less digits than its factorization.

31971830114881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330791.

The product of its (nonzero) digits is 1161216, while the sum is 55.

The spelling of 31971830114881 in words is "thirty-one trillion, nine hundred seventy-one billion, eight hundred thirty million, one hundred fourteen thousand, eight hundred eighty-one".