318000085 has 8 divisors (see below), whose sum is σ = 410954040. Its totient is φ = 234830784.

The previous prime is 318000083. The next prime is 318000101. The reversal of 318000085 is 580000813.

It can be written as a sum of positive squares in 4 ways, for example, as 20196036 + 297804049 = 4494^2 + 17257^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 318000085 - 2¹ = 318000083 is a prime.

It is a super-2 number, since 2×318000085² = 202248108120014450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318000083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2446090 + ... + 2446219.

It is an arithmetic number, because the mean of its divisors is an integer number (51369255).

Almost surely, 2^318000085 is an apocalyptic number.

It is an amenable number.

318000085 is a deficient number, since it is larger than the sum of its proper divisors (92953955).

318000085 is a wasteful number, since it uses less digits than its factorization.

318000085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4892327.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 318000085 is about 17832.5568834085. The cubic root of 318000085 is about 682.5624804710.

Adding to 318000085 its reverse (580000813), we get a palindrome (898000898).

The spelling of 318000085 in words is "three hundred eighteen million, eighty-five", and thus it is an aban number.