30830211 has 6 divisors (see below), whose sum is σ = 44532540. Its totient is φ = 20553468.

The previous prime is 30830209. The next prime is 30830227. The reversal of 30830211 is 11203803.

It is not a de Polignac number, because 30830211 - 2¹ = 30830209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30830201) 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, 1712781 + ... + 1712798.

It is an arithmetic number, because the mean of its divisors is an integer number (7422090).

Almost surely, 2^30830211 is an apocalyptic number.

30830211 is a deficient number, since it is larger than the sum of its proper divisors (13702329).

30830211 is a wasteful number, since it uses less digits than its factorization.

30830211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3425585 (or 3425582 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 30830211 is about 5552.4959252574. The cubic root of 30830211 is about 313.5634968260.

The spelling of 30830211 in words is "thirty million, eight hundred thirty thousand, two hundred eleven".