31677049968 has 40 divisors (see below), whose sum is σ = 83219376000. Its totient is φ = 10380049344.

The previous prime is 31677049949. The next prime is 31677049969. The reversal of 31677049968 is 86994077613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31677049969) 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, 5589868 + ... + 5595531.

It is an arithmetic number, because the mean of its divisors is an integer number (2080484400).

Almost surely, 2^31677049968 is an apocalyptic number.

It is an amenable number.

31677049968 is an abundant number, since it is smaller than the sum of its proper divisors (51542326032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31677049968 is a wasteful number, since it uses less digits than its factorization.

31677049968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11185469 (or 11185463 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 60.

The spelling of 31677049968 in words is "thirty-one billion, six hundred seventy-seven million, forty-nine thousand, nine hundred sixty-eight".