316859042 has 8 divisors (see below), whose sum is σ = 475401756. Its totient is φ = 158391792.

The previous prime is 316859021. The next prime is 316859047. The reversal of 316859042 is 240958613.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 309724801 + 7134241 = 17599^2 + 2671^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 316858987 and 316859005.

It is not an unprimeable number, because it can be changed into a prime (316859047) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6833 + ... + 26084.

Almost surely, 2^316859042 is an apocalyptic number.

316859042 is a deficient number, since it is larger than the sum of its proper divisors (158542714).

316859042 is a wasteful number, since it uses less digits than its factorization.

316859042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37732.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 316859042 is about 17800.5348796040. The cubic root of 316859042 is about 681.7451153497.

The spelling of 316859042 in words is "three hundred sixteen million, eight hundred fifty-nine thousand, forty-two".