316240361 has 4 divisors (see below), whose sum is σ = 323594832. Its totient is φ = 308885892.

The previous prime is 316240349. The next prime is 316240373. The reversal of 316240361 is 163042613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (316240349) and next prime (316240373).

It is a cyclic number.

It is not a de Polignac number, because 316240361 - 2⁶ = 316240297 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 316240361.

It is not an unprimeable number, because it can be changed into a prime (316246361) 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, 3677171 + ... + 3677256.

It is an arithmetic number, because the mean of its divisors is an integer number (80898708).

Almost surely, 2^316240361 is an apocalyptic number.

It is an amenable number.

316240361 is a deficient number, since it is larger than the sum of its proper divisors (7354471).

316240361 is an equidigital number, since it uses as much as digits as its factorization.

316240361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7354470.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 316240361 is about 17783.1482308392. The cubic root of 316240361 is about 681.3011139608.

Adding to 316240361 its reverse (163042613), we get a palindrome (479282974).

The spelling of 316240361 in words is "three hundred sixteen million, two hundred forty thousand, three hundred sixty-one".