318016 has 14 divisors (see below), whose sum is σ = 631190. Its totient is φ = 158976.

The previous prime is 318007. The next prime is 318023. The reversal of 318016 is 610813.

It can be written as a sum of positive squares in only one way, i.e., 230400 + 87616 = 480^2 + 296^2 .

It is a super-2 number, since 2×318016² = 202268352512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 317984 and 318002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2421 + ... + 2548.

It is an arithmetic number, because the mean of its divisors is an integer number (45085).

2³¹⁸⁰¹⁶ is an apocalyptic number.

It is an amenable number.

318016 is a deficient number, since it is larger than the sum of its proper divisors (313174).

318016 is an equidigital number, since it uses as much as digits as its factorization.

318016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4981 (or 4971 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 318016 is about 563.9290735545. The cubic root of 318016 is about 68.2573867051.

Adding to 318016 its reverse (610813), we get a palindrome (928829).

The spelling of 318016 in words is "three hundred eighteen thousand, sixteen".