30011211 has 6 divisors (see below), whose sum is σ = 43349540. Its totient is φ = 20007468.

The previous prime is 30011161. The next prime is 30011269. The reversal of 30011211 is 11211003.

It is not a de Polignac number, because 30011211 - 2⁶ = 30011147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 3334579 = 30011211 / (3 + 0 + 0 + 1 + 1 + 2 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30011193 and 30011202.

It is not an unprimeable number, because it can be changed into a prime (30011281) 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, 1667281 + ... + 1667298.

Almost surely, 2^30011211 is an apocalyptic number.

30011211 is a deficient number, since it is larger than the sum of its proper divisors (13338329).

30011211 is a wasteful number, since it uses less digits than its factorization.

30011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334585 (or 3334582 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 30011211 is about 5478.2488990552. The cubic root of 30011211 is about 310.7619515345.

Adding to 30011211 its reverse (11211003), we get a palindrome (41222214).

It can be divided in two parts, 300 and 11211, that added together give a palindrome (11511).

The spelling of 30011211 in words is "thirty million, eleven thousand, two hundred eleven".