30530307 has 16 divisors (see below), whose sum is σ = 41771520. Its totient is φ = 19825632.

The previous prime is 30530303. The next prime is 30530327. The reversal of 30530307 is 70303503.

It is not a de Polignac number, because 30530307 - 2² = 30530303 is a prime.

It is a super-3 number, since 3×30530307³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (30530303) 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 in 15 ways as a sum of consecutive naturals, for example, 40944 + ... + 41682.

It is an arithmetic number, because the mean of its divisors is an integer number (2610720).

Almost surely, 2^30530307 is an apocalyptic number.

30530307 is a deficient number, since it is larger than the sum of its proper divisors (11241213).

30530307 is a wasteful number, since it uses less digits than its factorization.

30530307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082.

The product of its (nonzero) digits is 945, while the sum is 21.

The square root of 30530307 is about 5525.4236941614. The cubic root of 30530307 is about 312.5434418540.

The spelling of 30530307 in words is "thirty million, five hundred thirty thousand, three hundred seven".