316965842 has 6 divisors (see below), whose sum is σ = 475486533. Its totient is φ = 158470332.

The previous prime is 316965823. The next prime is 316965881. The reversal of 316965842 is 248569613.

It can be written as a sum of positive squares in 2 ways, for example, as 245580241 + 71385601 = 15671^2 + 8449^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=12589.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 316965793 and 316965802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 18884 + ... + 31472.

Almost surely, 2^316965842 is an apocalyptic number.

316965842 is a deficient number, since it is larger than the sum of its proper divisors (158520691).

316965842 is an frugal number, since it uses more digits than its factorization.

316965842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25180 (or 12591 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 316965842 is about 17803.5345367149. The cubic root of 316965842 is about 681.8217027169.

The spelling of 316965842 in words is "three hundred sixteen million, nine hundred sixty-five thousand, eight hundred forty-two".