30303207 has 16 divisors (see below), whose sum is σ = 48975360. Its totient is φ = 18365400.

The previous prime is 30303193. The next prime is 30303209. The reversal of 30303207 is 70230303.

It is not a de Polignac number, because 30303207 - 2⁴ = 30303191 is a prime.

It is a Smith number, since the sum of its digits (18) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 30303207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30303209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50719 + ... + 51312.

It is an arithmetic number, because the mean of its divisors is an integer number (3060960).

Almost surely, 2^30303207 is an apocalyptic number.

30303207 is a deficient number, since it is larger than the sum of its proper divisors (18672153).

30303207 is a wasteful number, since it uses less digits than its factorization.

30303207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102051 (or 102045 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 18.

The square root of 30303207 is about 5504.8348749077. The cubic root of 30303207 is about 311.7665598498.

The spelling of 30303207 in words is "thirty million, three hundred three thousand, two hundred seven".