318316 has 6 divisors (see below), whose sum is σ = 557060. Its totient is φ = 159156.

The previous prime is 318313. The next prime is 318319. The reversal of 318316 is 613813.

It is an interprime number because it is at equal distance from previous prime (318313) and next prime (318319).

It is not an unprimeable number, because it can be changed into a prime (318313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39786 + ... + 39793.

2³¹⁸³¹⁶ is an apocalyptic number.

It is an amenable number.

318316 is a deficient number, since it is larger than the sum of its proper divisors (238744).

318316 is a wasteful number, since it uses less digits than its factorization.

318316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79583 (or 79581 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 318316 is about 564.1950017503. The cubic root of 318316 is about 68.2788434666.

The spelling of 318316 in words is "three hundred eighteen thousand, three hundred sixteen".