330831 has 8 divisors (see below), whose sum is σ = 490160. Its totient is φ = 220536.

The previous prime is 330823. The next prime is 330839. The reversal of 330831 is 138033.

It is an interprime number because it is at equal distance from previous prime (330823) and next prime (330839).

It is not a de Polignac number, because 330831 - 2³ = 330823 is a prime.

It is a super-2 number, since 2×330831² = 218898301122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330839) 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, 6100 + ... + 6153.

It is an arithmetic number, because the mean of its divisors is an integer number (61270).

2³³⁰⁸³¹ is an apocalyptic number.

330831 is a deficient number, since it is larger than the sum of its proper divisors (159329).

330831 is a wasteful number, since it uses less digits than its factorization.

330831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12262 (or 12256 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 330831 is about 575.1791025411. The cubic root of 330831 is about 69.1621893523.

Adding to 330831 its reverse (138033), we get a palindrome (468864).

The spelling of 330831 in words is "three hundred thirty thousand, eight hundred thirty-one".