316221325500 has 48 divisors (see below), whose sum is σ = 920836504224. Its totient is φ = 84325686400.

The previous prime is 316221325499. The next prime is 316221325529. The reversal of 316221325500 is 5523122613.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105405609 + ... + 105408608.

It is an arithmetic number, because the mean of its divisors is an integer number (19184093838).

Almost surely, 2^316221325500 is an apocalyptic number.

316221325500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

316221325500 is an abundant number, since it is smaller than the sum of its proper divisors (604615178724).

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

316221325500 is a wasteful number, since it uses less digits than its factorization.

316221325500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210814239 (or 210814227 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 316221325500 in words is "three hundred sixteen billion, two hundred twenty-one million, three hundred twenty-five thousand, five hundred".