320316 has 12 divisors (see below), whose sum is σ = 747432. Its totient is φ = 106768.

The previous prime is 320303. The next prime is 320317. The reversal of 320316 is 613023.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 320295 and 320304.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320316.

It is not an unprimeable number, because it can be changed into a prime (320317) by changing a digit.

320316 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13335 + ... + 13358.

It is an arithmetic number, because the mean of its divisors is an integer number (62286).

2³²⁰³¹⁶ is an apocalyptic number.

It is an amenable number.

320316 is an abundant number, since it is smaller than the sum of its proper divisors (427116).

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

320316 is a wasteful number, since it uses less digits than its factorization.

320316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26700 (or 26698 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 320316 is about 565.9646632079. The cubic root of 320316 is about 68.4215451433.

Adding to 320316 its reverse (613023), we get a palindrome (933339).

It can be divided in two parts, 320 and 316, that added together give a palindrome (636).

The spelling of 320316 in words is "three hundred twenty thousand, three hundred sixteen".