318116 has 12 divisors (see below), whose sum is σ = 565488. Its totient is φ = 156552.

The previous prime is 318107. The next prime is 318127. The reversal of 318116 is 611813.

318116 = T₂₇₈ + T₂₇₉ + ... + T₂₈₅.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 318116.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326 + ... + 861.

It is an arithmetic number, because the mean of its divisors is an integer number (47124).

2³¹⁸¹¹⁶ is an apocalyptic number.

It is an amenable number.

318116 is a deficient number, since it is larger than the sum of its proper divisors (247372).

318116 is a wasteful number, since it uses less digits than its factorization.

318116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258 (or 1256 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

The square root of 318116 is about 564.0177302178. The cubic root of 318116 is about 68.2645404577.

Subtracting from 318116 its sum of digits (20), we obtain a square (318096 = 564²).

Adding to 318116 its reverse (611813), we get a palindrome (929929).

It can be divided in two parts, 318 and 116, that added together give a palindrome (434).

The spelling of 318116 in words is "three hundred eighteen thousand, one hundred sixteen".