30930211 has 12 divisors (see below), whose sum is σ = 34652880. Its totient is φ = 27562080.

The previous prime is 30930209. The next prime is 30930241. The reversal of 30930211 is 11203903.

It is not a de Polignac number, because 30930211 - 2¹ = 30930209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30930241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1746 + ... + 8056.

It is an arithmetic number, because the mean of its divisors is an integer number (2887740).

Almost surely, 2^30930211 is an apocalyptic number.

30930211 is a deficient number, since it is larger than the sum of its proper divisors (3722669).

30930211 is a wasteful number, since it uses less digits than its factorization.

30930211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6366 (or 6353 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 30930211 is about 5561.4935943504. The cubic root of 30930211 is about 313.9021528330.

The spelling of 30930211 in words is "thirty million, nine hundred thirty thousand, two hundred eleven".