318104217 has 6 divisors (see below), whose sum is σ = 459483882. Its totient is φ = 212069472.

The previous prime is 318104209. The next prime is 318104231. The reversal of 318104217 is 712401813.

It can be written as a sum of positive squares in only one way, i.e., 195692121 + 122412096 = 13989^2 + 11064^2 .

It is not a de Polignac number, because 318104217 - 2³ = 318104209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (318104617) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17672448 + ... + 17672465.

It is an arithmetic number, because the mean of its divisors is an integer number (76580647).

Almost surely, 2^318104217 is an apocalyptic number.

It is an amenable number.

318104217 is a deficient number, since it is larger than the sum of its proper divisors (141379665).

318104217 is a wasteful number, since it uses less digits than its factorization.

318104217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35344919 (or 35344916 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 318104217 is about 17835.4763603331. The cubic root of 318104217 is about 682.6369760899.

The spelling of 318104217 in words is "three hundred eighteen million, one hundred four thousand, two hundred seventeen".