330813 has 24 divisors (see below), whose sum is σ = 561600. Its totient is φ = 183744.

The previous prime is 330793. The next prime is 330821. The reversal of 330813 is 318033.

It is not a de Polignac number, because 330813 - 2⁶ = 330749 is a prime.

It is a super-3 number, since 3×330813³ = 108609785990033391, which contains 333 as substring.

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 (330823) 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, 3673 + ... + 3761.

It is an arithmetic number, because the mean of its divisors is an integer number (23400).

2³³⁰⁸¹³ is an apocalyptic number.

It is an amenable number.

330813 is a deficient number, since it is larger than the sum of its proper divisors (230787).

330813 is a wasteful number, since it uses less digits than its factorization.

330813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 158 counting only the distinct ones).

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

The square root of 330813 is about 575.1634550282. The cubic root of 330813 is about 69.1609349938.

Adding to 330813 its reverse (318033), we get a palindrome (648846).

It can be divided in two parts, 3308 and 13, that added together give a triangular number (3321 = T₈₁).

The spelling of 330813 in words is "three hundred thirty thousand, eight hundred thirteen".