316306 has 8 divisors (see below), whose sum is σ = 480060. Its totient is φ = 156288.

The previous prime is 316301. The next prime is 316321. The reversal of 316306 is 603613.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 308025 + 8281 = 555^2 + 91^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (316301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711 + ... + 1066.

2³¹⁶³⁰⁶ is an apocalyptic number.

316306 is the 356-th heptagonal number.

316306 is a deficient number, since it is larger than the sum of its proper divisors (163754).

316306 is a wasteful number, since it uses less digits than its factorization.

316306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 316306 is about 562.4108818293. The cubic root of 316306 is about 68.1348247761.

Adding to 316306 its reverse (603613), we get a palindrome (919919).

The spelling of 316306 in words is "three hundred sixteen thousand, three hundred six".