30320307 has 6 divisors (see below), whose sum is σ = 43796012. Its totient is φ = 20213532.

The previous prime is 30320291. The next prime is 30320317. The reversal of 30320307 is 70302303.

It is not a de Polignac number, because 30320307 - 2⁴ = 30320291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30320307.

It is not an unprimeable number, because it can be changed into a prime (30320317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1684453 + ... + 1684470.

Almost surely, 2^30320307 is an apocalyptic number.

30320307 is a deficient number, since it is larger than the sum of its proper divisors (13475705).

30320307 is a wasteful number, since it uses less digits than its factorization.

30320307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368929 (or 3368926 counting only the distinct ones).

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

The square root of 30320307 is about 5506.3878359593. The cubic root of 30320307 is about 311.8251917705.

The spelling of 30320307 in words is "thirty million, three hundred twenty thousand, three hundred seven".