316287361 has 4 divisors (see below), whose sum is σ = 340617172. Its totient is φ = 291957552.

The previous prime is 316287341. The next prime is 316287373. The reversal of 316287361 is 163782613.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86583025 + 229704336 = 9305^2 + 15156^2 .

It is a cyclic number.

It is not a de Polignac number, because 316287361 - 2¹¹ = 316285313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 316287361.

It is not an unprimeable number, because it can be changed into a prime (316287331) 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, 12164886 + ... + 12164911.

It is an arithmetic number, because the mean of its divisors is an integer number (85154293).

Almost surely, 2^316287361 is an apocalyptic number.

It is an amenable number.

316287361 is a deficient number, since it is larger than the sum of its proper divisors (24329811).

316287361 is a wasteful number, since it uses less digits than its factorization.

316287361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24329810.

The product of its digits is 36288, while the sum is 37.

The square root of 316287361 is about 17784.4696575411. The cubic root of 316287361 is about 681.3348642028.

The spelling of 316287361 in words is "three hundred sixteen million, two hundred eighty-seven thousand, three hundred sixty-one".