316439018 has 16 divisors (see below), whose sum is σ = 547539264. Its totient is φ = 134348640.

The previous prime is 316439017. The next prime is 316439023. The reversal of 316439018 is 810934613.

It is a super-2 number, since 2×316439018² = 200267304225608648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (316439017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104123 + ... + 107118.

It is an arithmetic number, because the mean of its divisors is an integer number (34221204).

Almost surely, 2^316439018 is an apocalyptic number.

316439018 is a deficient number, since it is larger than the sum of its proper divisors (231100246).

316439018 is a wasteful number, since it uses less digits than its factorization.

316439018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211357.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 316439018 is about 17788.7328947286. The cubic root of 316439018 is about 681.4437448216.

The spelling of 316439018 in words is "three hundred sixteen million, four hundred thirty-nine thousand, eighteen".