316416305 has 4 divisors (see below), whose sum is σ = 379699572. Its totient is φ = 253133040.

The previous prime is 316416301. The next prime is 316416319. The reversal of 316416305 is 503614613.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 503614613 = 17 ⋅29624389.

It can be written as a sum of positive squares in 2 ways, for example, as 153190129 + 163226176 = 12377^2 + 12776^2 .

It is not a de Polignac number, because 316416305 - 2² = 316416301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316416301) 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, 31641626 + ... + 31641635.

It is an arithmetic number, because the mean of its divisors is an integer number (94924893).

Almost surely, 2^316416305 is an apocalyptic number.

It is an amenable number.

316416305 is a deficient number, since it is larger than the sum of its proper divisors (63283267).

316416305 is an equidigital number, since it uses as much as digits as its factorization.

316416305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63283266.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 316416305 is about 17788.0944735517. The cubic root of 316416305 is about 681.4274404667.

The spelling of 316416305 in words is "three hundred sixteen million, four hundred sixteen thousand, three hundred five".