31828700836 has 9 divisors (see below), whose sum is σ = 55700850891. Its totient is φ = 15914172012.

The previous prime is 31828700821. The next prime is 31828700899. The reversal of 31828700836 is 63800782813.

The square root of 31828700836 is 178406.

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 2 ways as a sum of consecutive naturals, for example, 312211 + ... + 401413.

Almost surely, 2^31828700836 is an apocalyptic number.

31828700836 is the 178406-th square number.

It is an amenable number.

31828700836 is a deficient number, since it is larger than the sum of its proper divisors (23872150055).

31828700836 is an frugal number, since it uses more digits than its factorization.

31828700836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178410 (or 89205 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 31828700836 in words is "thirty-one billion, eight hundred twenty-eight million, seven hundred thousand, eight hundred thirty-six".