30212307 has 12 divisors (see below), whose sum is σ = 44380440. Its totient is φ = 19799808.

The previous prime is 30212251. The next prime is 30212311. The reversal of 30212307 is 70321203.

It is not a de Polignac number, because 30212307 - 2⁸ = 30212051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30212307.

It is not an unprimeable number, because it can be changed into a prime (30212807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27918 + ... + 28979.

It is an arithmetic number, because the mean of its divisors is an integer number (3698370).

Almost surely, 2^30212307 is an apocalyptic number.

30212307 is a deficient number, since it is larger than the sum of its proper divisors (14168133).

30212307 is a wasteful number, since it uses less digits than its factorization.

30212307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56962 (or 56959 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 30212307 is about 5496.5722955311. The cubic root of 30212307 is about 311.4545140632.

The spelling of 30212307 in words is "thirty million, two hundred twelve thousand, three hundred seven".