318648117 has 8 divisors (see below), whose sum is σ = 426023296. Its totient is φ = 211852512.

The previous prime is 318648097. The next prime is 318648133. The reversal of 318648117 is 711846813.

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

It is not a de Polignac number, because 318648117 - 2¹⁰ = 318647093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318648157) 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, 143608 + ... + 145809.

It is an arithmetic number, because the mean of its divisors is an integer number (53252912).

Almost surely, 2^318648117 is an apocalyptic number.

It is an amenable number.

318648117 is a deficient number, since it is larger than the sum of its proper divisors (107375179).

318648117 is a wasteful number, since it uses less digits than its factorization.

318648117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289787.

The product of its digits is 32256, while the sum is 39.

The square root of 318648117 is about 17850.7175486029. The cubic root of 318648117 is about 683.0258159959.

The spelling of 318648117 in words is "three hundred eighteen million, six hundred forty-eight thousand, one hundred seventeen".