330213137 has 4 divisors (see below), whose sum is σ = 333482676. Its totient is φ = 326943600.

The previous prime is 330213133. The next prime is 330213187. The reversal of 330213137 is 731312033.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 731312033 = 19 ⋅38490107.

It can be written as a sum of positive squares in 2 ways, for example, as 135582736 + 194630401 = 11644^2 + 13951^2 .

It is a cyclic number.

It is not a de Polignac number, because 330213137 - 2² = 330213133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330213131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1634618 + ... + 1634819.

It is an arithmetic number, because the mean of its divisors is an integer number (83370669).

Almost surely, 2^330213137 is an apocalyptic number.

It is an amenable number.

330213137 is a deficient number, since it is larger than the sum of its proper divisors (3269539).

330213137 is a wasteful number, since it uses less digits than its factorization.

330213137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269538.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 330213137 is about 18171.7675805080. The cubic root of 330213137 is about 691.1910654149.

The spelling of 330213137 in words is "three hundred thirty million, two hundred thirteen thousand, one hundred thirty-seven".