30211144 has 16 divisors (see below), whose sum is σ = 59109120. Its totient is φ = 14448720.

The previous prime is 30211117. The next prime is 30211147. The reversal of 30211144 is 44111203.

It is not an unprimeable number, because it can be changed into a prime (30211147) 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, 81912 + ... + 82279.

It is an arithmetic number, because the mean of its divisors is an integer number (3694320).

Almost surely, 2^30211144 is an apocalyptic number.

It is an amenable number.

30211144 is a deficient number, since it is larger than the sum of its proper divisors (28897976).

30211144 is a wasteful number, since it uses less digits than its factorization.

30211144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164220 (or 164216 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 30211144 is about 5496.4665013079. The cubic root of 30211144 is about 311.4505176097.

Adding to 30211144 its reverse (44111203), we get a palindrome (74322347).

The spelling of 30211144 in words is "thirty million, two hundred eleven thousand, one hundred forty-four".