108318 has 16 divisors (see below), whose sum is σ = 247680. Its totient is φ = 30936.

The previous prime is 108301. The next prime is 108343. The reversal of 108318 is 813801.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 108294 and 108303.

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 108318.

It is an unprimeable number.

108318 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 7 ways as a sum of consecutive naturals, for example, 1248 + ... + 1331.

It is an arithmetic number, because the mean of its divisors is an integer number (15480).

2¹⁰⁸³¹⁸ is an apocalyptic number.

108318 is an abundant number, since it is smaller than the sum of its proper divisors (139362).

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

108318 is a wasteful number, since it uses less digits than its factorization.

108318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 108318 is about 329.1170004725. The cubic root of 108318 is about 47.6687259014.

The spelling of 108318 in words is "one hundred eight thousand, three hundred eighteen".