330320233 has 2 divisors, whose sum is σ = 330320234. Its totient is φ = 330320232.

The previous prime is 330320213. The next prime is 330320303. The reversal of 330320233 is 332023033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322094809 + 8225424 = 17947^2 + 2868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-330320233 is a prime.

It is a super-2 number, since 2×330320233² = 218222912658348578, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 330320233.

It is not a weakly prime, because it can be changed into another prime (330320203) 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 as a sum of consecutive naturals, namely, 165160116 + 165160117.

It is an arithmetic number, because the mean of its divisors is an integer number (165160117).

Almost surely, 2^330320233 is an apocalyptic number.

It is an amenable number.

330320233 is a deficient number, since it is larger than the sum of its proper divisors (1).

330320233 is an equidigital number, since it uses as much as digits as its factorization.

330320233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 19.

The square root of 330320233 is about 18174.7141105438. The cubic root of 330320233 is about 691.2657805902.

Adding to 330320233 its reverse (332023033), we get a palindrome (662343266).

The spelling of 330320233 in words is "three hundred thirty million, three hundred twenty thousand, two hundred thirty-three".