31962080161 has 8 divisors (see below), whose sum is σ = 34916227200. Its totient is φ = 29016017040.

The previous prime is 31962080159. The next prime is 31962080177. The reversal of 31962080161 is 16108026913.

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 31962080161 - 2¹ = 31962080159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31962080161.

It is not an unprimeable number, because it can be changed into a prime (31962080141) 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 7 ways as a sum of consecutive naturals, for example, 2012706 + ... + 2028523.

It is an arithmetic number, because the mean of its divisors is an integer number (4364528400).

Almost surely, 2^31962080161 is an apocalyptic number.

It is an amenable number.

31962080161 is a deficient number, since it is larger than the sum of its proper divisors (2954147039).

31962080161 is a wasteful number, since it uses less digits than its factorization.

31962080161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4041959.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 31962080161 in words is "thirty-one billion, nine hundred sixty-two million, eighty thousand, one hundred sixty-one".