330531233 has 2 divisors, whose sum is σ = 330531234. Its totient is φ = 330531232.

The previous prime is 330531211. The next prime is 330531263. The reversal of 330531233 is 332135033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271195024 + 59336209 = 16468^2 + 7703^2 .

It is an emirp because it is prime and its reverse (332135033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 330531233 - 2¹⁶ = 330465697 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 330531199 and 330531208.

It is not a weakly prime, because it can be changed into another prime (330531263) 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, 165265616 + 165265617.

It is an arithmetic number, because the mean of its divisors is an integer number (165265617).

Almost surely, 2^330531233 is an apocalyptic number.

It is an amenable number.

330531233 is a deficient number, since it is larger than the sum of its proper divisors (1).

330531233 is an equidigital number, since it uses as much as digits as its factorization.

330531233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 23.

The square root of 330531233 is about 18180.5179519177. The cubic root of 330531233 is about 691.4129368137.

Adding to 330531233 its reverse (332135033), we get a palindrome (662666266).

The spelling of 330531233 in words is "three hundred thirty million, five hundred thirty-one thousand, two hundred thirty-three".