30320009 has 2 divisors, whose sum is σ = 30320010. Its totient is φ = 30320008.

The previous prime is 30319987. The next prime is 30320021. The reversal of 30320009 is 90002303.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25030009 + 5290000 = 5003^2 + 2300^2 .

It is an emirp because it is prime and its reverse (90002303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30320009 - 2⁸ = 30319753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30920009) 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, 15160004 + 15160005.

It is an arithmetic number, because the mean of its divisors is an integer number (15160005).

Almost surely, 2^30320009 is an apocalyptic number.

It is an amenable number.

30320009 is a deficient number, since it is larger than the sum of its proper divisors (1).

30320009 is an equidigital number, since it uses as much as digits as its factorization.

30320009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 30320009 is about 5506.3607764112. The cubic root of 30320009 is about 311.8241701866.

The spelling of 30320009 in words is "thirty million, three hundred twenty thousand, nine".