321327117 has 6 divisors (see below), whose sum is σ = 464139182. Its totient is φ = 214218072.

The previous prime is 321327103. The next prime is 321327133. The reversal of 321327117 is 711723123.

321327117 is a `hidden beast` number, since 321 + 327 + 1 + 17 = 666.

It can be written as a sum of positive squares in only one way, i.e., 292102281 + 29224836 = 17091^2 + 5406^2 .

It is not a de Polignac number, because 321327117 - 2⁴ = 321327101 is a prime.

It is a super-2 number, since 2×321327117² = 206502232239063378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321325117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17851498 + ... + 17851515.

Almost surely, 2^321327117 is an apocalyptic number.

It is an amenable number.

321327117 is a deficient number, since it is larger than the sum of its proper divisors (142812065).

321327117 is a wasteful number, since it uses less digits than its factorization.

321327117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35703019 (or 35703016 counting only the distinct ones).

The product of its digits is 1764, while the sum is 27.

The square root of 321327117 is about 17925.5994878832. The cubic root of 321327117 is about 684.9346320844.

The spelling of 321327117 in words is "three hundred twenty-one million, three hundred twenty-seven thousand, one hundred seventeen".