330420133 has 2 divisors, whose sum is σ = 330420134. Its totient is φ = 330420132.

The previous prime is 330420131. The next prime is 330420137. The reversal of 330420133 is 331024033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 256064004 + 74356129 = 16002^2 + 8623^2 .

It is an emirp because it is prime and its reverse (331024033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 330420133 - 2¹ = 330420131 is a prime.

Together with 330420131, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 330420133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330420131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165210066 + 165210067.

It is an arithmetic number, because the mean of its divisors is an integer number (165210067).

Almost surely, 2^330420133 is an apocalyptic number.

It is an amenable number.

330420133 is a deficient number, since it is larger than the sum of its proper divisors (1).

330420133 is an equidigital number, since it uses as much as digits as its factorization.

330420133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 330420133 is about 18177.4622266146. The cubic root of 330420133 is about 691.3354609427.

Adding to 330420133 its reverse (331024033), we get a palindrome (661444166).

The spelling of 330420133 in words is "three hundred thirty million, four hundred twenty thousand, one hundred thirty-three".