326331 has 12 divisors (see below), whose sum is σ = 477360. Its totient is φ = 214800.

The previous prime is 326323. The next prime is 326351. The reversal of 326331 is 133623.

It is a happy number.

326331 is a `hidden beast` number, since 32 + 633 + 1 = 666.

It is not a de Polignac number, because 326331 - 2³ = 326323 is a prime.

It is a super-2 number, since 2×326331² = 212983843122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (326351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 730 + ... + 1088.

It is an arithmetic number, because the mean of its divisors is an integer number (39780).

2³²⁶³³¹ is an apocalyptic number.

326331 is a deficient number, since it is larger than the sum of its proper divisors (151029).

326331 is a wasteful number, since it uses less digits than its factorization.

326331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 463 counting only the distinct ones).

The product of its digits is 324, while the sum is 18.

The square root of 326331 is about 571.2538840131. The cubic root of 326331 is about 68.8471727820.

Adding to 326331 its reverse (133623), we get a palindrome (459954).

The spelling of 326331 in words is "three hundred twenty-six thousand, three hundred thirty-one".