31677618670061 has 32 divisors (see below), whose sum is σ = 41348584827648. Its totient is φ = 23550797952000.

The previous prime is 31677618669971. The next prime is 31677618670063. The reversal of 31677618670061 is 16007681677613.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-31677618670061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31677618670063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15753815 + ... + 17650436.

It is an arithmetic number, because the mean of its divisors is an integer number (1292143275864).

Almost surely, 2^{31677618670061} is an apocalyptic number.

It is an amenable number.

31677618670061 is a deficient number, since it is larger than the sum of its proper divisors (9670966157587).

31677618670061 is a wasteful number, since it uses less digits than its factorization.

31677618670061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33404901.

The product of its (nonzero) digits is 10668672, while the sum is 59.

The spelling of 31677618670061 in words is "thirty-one trillion, six hundred seventy-seven billion, six hundred eighteen million, six hundred seventy thousand, sixty-one".