31673655804 has 96 divisors (see below), whose sum is σ = 88961420800. Its totient is φ = 8568218880.

The previous prime is 31673655803. The next prime is 31673655817. The reversal of 31673655804 is 40855637613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31673655803) 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 31 ways as a sum of consecutive naturals, for example, 3233394 + ... + 3243174.

Almost surely, 2^31673655804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31673655804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44480710400).

31673655804 is an abundant number, since it is smaller than the sum of its proper divisors (57287764996).

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

31673655804 is a wasteful number, since it uses less digits than its factorization.

31673655804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11843 (or 11841 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 31673655804 in words is "thirty-one billion, six hundred seventy-three million, six hundred fifty-five thousand, eight hundred four".