31734774668 has 12 divisors (see below), whose sum is σ = 55538973672. Its totient is φ = 15866496480.

The previous prime is 31734774641. The next prime is 31734774691. The reversal of 31734774668 is 86647743713.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139073 + ... + 287768.

It is an arithmetic number, because the mean of its divisors is an integer number (4628247806).

Almost surely, 2^31734774668 is an apocalyptic number.

It is an amenable number.

31734774668 is a deficient number, since it is larger than the sum of its proper divisors (23804199004).

31734774668 is a wasteful number, since it uses less digits than its factorization.

31734774668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445432 (or 445430 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 56.

The spelling of 31734774668 in words is "thirty-one billion, seven hundred thirty-four million, seven hundred seventy-four thousand, six hundred sixty-eight".