30980211 has 16 divisors (see below), whose sum is σ = 43031808. Its totient is φ = 19807200.

The previous prime is 30980161. The next prime is 30980219. The reversal of 30980211 is 11208903.

It is not a de Polignac number, because 30980211 - 2⁷ = 30980083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30980219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5916 + ... + 9846.

It is an arithmetic number, because the mean of its divisors is an integer number (2689488).

Almost surely, 2^30980211 is an apocalyptic number.

30980211 is a deficient number, since it is larger than the sum of its proper divisors (12051597).

30980211 is a wasteful number, since it uses less digits than its factorization.

30980211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4042.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 30980211 is about 5565.9869744727. The cubic root of 30980211 is about 314.0712071594.

The spelling of 30980211 in words is "thirty million, nine hundred eighty thousand, two hundred eleven".