331324 has 12 divisors (see below), whose sum is σ = 662704. Its totient is φ = 141984.

The previous prime is 331319. The next prime is 331333. The reversal of 331324 is 423133.

331324 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 331298 and 331307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5889 + ... + 5944.

2³³¹³²⁴ is an apocalyptic number.

It is an amenable number.

331324 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331324 is a wasteful number, since it uses less digits than its factorization.

331324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11844 (or 11842 counting only the distinct ones).

The product of its digits is 216, while the sum is 16.

The square root of 331324 is about 575.6075051630. The cubic root of 331324 is about 69.1965271626.

Adding to 331324 its reverse (423133), we get a palindrome (754457).

Subtracting 331324 from its reverse (423133), we obtain a square (91809 = 303²).

The spelling of 331324 in words is "three hundred thirty-one thousand, three hundred twenty-four".