30000211 has 4 divisors (see below), whose sum is σ = 31304592. Its totient is φ = 28695832.

The previous prime is 30000199. The next prime is 30000247. The reversal of 30000211 is 11200003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30000211 - 2⁷ = 30000083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30000194 and 30000203.

It is not an unprimeable number, because it can be changed into a prime (30000251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652156 + ... + 652201.

It is an arithmetic number, because the mean of its divisors is an integer number (7826148).

Almost surely, 2^30000211 is an apocalyptic number.

30000211 is a deficient number, since it is larger than the sum of its proper divisors (1304381).

30000211 is a wasteful number, since it uses less digits than its factorization.

30000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304380.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 30000211 is about 5477.2448365944. The cubic root of 30000211 is about 310.7239790671.

Adding to 30000211 its reverse (11200003), we get a palindrome (41200214).

The spelling of 30000211 in words is "thirty million, two hundred eleven", and thus it is an aban number.