30440211 has 4 divisors (see below), whose sum is σ = 40586952. Its totient is φ = 20293472.

The previous prime is 30440209. The next prime is 30440213. The reversal of 30440211 is 11204403.

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

It is an interprime number because it is at equal distance from previous prime (30440209) and next prime (30440213).

It is a cyclic number.

It is not a de Polignac number, because 30440211 - 2¹ = 30440209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30440213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5073366 + ... + 5073371.

It is an arithmetic number, because the mean of its divisors is an integer number (10146738).

Almost surely, 2^30440211 is an apocalyptic number.

30440211 is a deficient number, since it is larger than the sum of its proper divisors (10146741).

30440211 is a wasteful number, since it uses less digits than its factorization.

30440211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10146740.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 30440211 is about 5517.2648114804. The cubic root of 30440211 is about 312.2356967365.

Adding to 30440211 its reverse (11204403), we get a palindrome (41644614).

The spelling of 30440211 in words is "thirty million, four hundred forty thousand, two hundred eleven".