31672086061 has 16 divisors (see below), whose sum is σ = 39527786880. Its totient is φ = 24654228480.

The previous prime is 31672086053. The next prime is 31672086091. The reversal of 31672086061 is 16068027613.

It is a happy number.

It is not a de Polignac number, because 31672086061 - 2³ = 31672086053 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 (31672086001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135276 + ... + 285733.

It is an arithmetic number, because the mean of its divisors is an integer number (2470486680).

Almost surely, 2^31672086061 is an apocalyptic number.

It is an amenable number.

31672086061 is a deficient number, since it is larger than the sum of its proper divisors (7855700819).

31672086061 is a wasteful number, since it uses less digits than its factorization.

31672086061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422004.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 31672086061 in words is "thirty-one billion, six hundred seventy-two million, eighty-six thousand, sixty-one".