31843688704 has 81 divisors (see below), whose sum is σ = 67198961487. Its totient is φ = 15058156032.

The previous prime is 31843688687. The next prime is 31843688713. The reversal of 31843688704 is 40788634813.

The square root of 31843688704 is 178448.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 54247899 + ... + 54248485.

Almost surely, 2^31843688704 is an apocalyptic number.

31843688704 is the 178448-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31843688704

31843688704 is an abundant number, since it is smaller than the sum of its proper divisors (35355272783).

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

31843688704 is an frugal number, since it uses more digits than its factorization.

31843688704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 52.

The spelling of 31843688704 in words is "thirty-one billion, eight hundred forty-three million, six hundred eighty-eight thousand, seven hundred four".