318414321 has 24 divisors (see below), whose sum is σ = 482358240. Its totient is φ = 209876832.

The previous prime is 318414289. The next prime is 318414347. The reversal of 318414321 is 123414813.

It is not a de Polignac number, because 318414321 - 2⁵ = 318414289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318414121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14266 + ... + 28988.

It is an arithmetic number, because the mean of its divisors is an integer number (20098260).

Almost surely, 2^318414321 is an apocalyptic number.

It is an amenable number.

318414321 is a deficient number, since it is larger than the sum of its proper divisors (163943919).

318414321 is an equidigital number, since it uses as much as digits as its factorization.

318414321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14827 (or 14815 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 318414321 is about 17844.1677026417. The cubic root of 318414321 is about 682.8587270073.

The spelling of 318414321 in words is "three hundred eighteen million, four hundred fourteen thousand, three hundred twenty-one".