315316 has 12 divisors (see below), whose sum is σ = 584388. Its totient is φ = 148352.

The previous prime is 315313. The next prime is 315349. The reversal of 315316 is 613513.

It can be written as a sum of positive squares in 2 ways, for example, as 163216 + 152100 = 404^2 + 390^2 .

It is a junction number, because it is equal to n+sod(n) for n = 315293 and 315302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315313) 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 in 3 ways as a sum of consecutive naturals, for example, 2251 + ... + 2386.

It is an arithmetic number, because the mean of its divisors is an integer number (48699).

2³¹⁵³¹⁶ is an apocalyptic number.

It is an amenable number.

315316 is a deficient number, since it is larger than the sum of its proper divisors (269072).

315316 is a wasteful number, since it uses less digits than its factorization.

315316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4658 (or 4656 counting only the distinct ones).

The product of its digits is 270, while the sum is 19.

The square root of 315316 is about 561.5300526241. The cubic root of 315316 is about 68.0636658636.

Adding to 315316 its reverse (613513), we get a palindrome (928829).

The spelling of 315316 in words is "three hundred fifteen thousand, three hundred sixteen".