320336316 has 48 divisors (see below), whose sum is σ = 831710880. Its totient is φ = 106623360.

The previous prime is 320336267. The next prime is 320336323. The reversal of 320336316 is 613633023.

320336316 is a `hidden beast` number, since 3 + 20 + 3 + 3 + 631 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 320336316.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90826 + ... + 94286.

It is an arithmetic number, because the mean of its divisors is an integer number (17327310).

Almost surely, 2^320336316 is an apocalyptic number.

320336316 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

320336316 is an abundant number, since it is smaller than the sum of its proper divisors (511374564).

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

320336316 is a wasteful number, since it uses less digits than its factorization.

320336316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4331 (or 4323 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

The square root of 320336316 is about 17897.9416693652. The cubic root of 320336316 is about 684.2299165525.

Adding to 320336316 its reverse (613633023), we get a palindrome (933969339).

The spelling of 320336316 in words is "three hundred twenty million, three hundred thirty-six thousand, three hundred sixteen".