30320207 has 2 divisors, whose sum is σ = 30320208. Its totient is φ = 30320206.

The previous prime is 30320183. The next prime is 30320239. The reversal of 30320207 is 70202303.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30320207 - 2²² = 26125903 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30320267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15160103 + 15160104.

It is an arithmetic number, because the mean of its divisors is an integer number (15160104).

Almost surely, 2^30320207 is an apocalyptic number.

30320207 is a deficient number, since it is larger than the sum of its proper divisors (1).

30320207 is an equidigital number, since it uses as much as digits as its factorization.

30320207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 30320207 is about 5506.3787555888. The cubic root of 30320207 is about 311.8248489579.

The spelling of 30320207 in words is "thirty million, three hundred twenty thousand, two hundred seven".