30481244 has 12 divisors (see below), whose sum is σ = 56149800. Its totient is φ = 14438448.

The previous prime is 30481237. The next prime is 30481247. The reversal of 30481244 is 44218403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30481247) 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, 200459 + ... + 200610.

It is an arithmetic number, because the mean of its divisors is an integer number (4679150).

Almost surely, 2^30481244 is an apocalyptic number.

It is an amenable number.

30481244 is a deficient number, since it is larger than the sum of its proper divisors (25668556).

30481244 is a wasteful number, since it uses less digits than its factorization.

30481244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401092 (or 401090 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 30481244 is about 5520.9821590003. The cubic root of 30481244 is about 312.3759302680.

Adding to 30481244 its reverse (44218403), we get a palindrome (74699647).

The spelling of 30481244 in words is "thirty million, four hundred eighty-one thousand, two hundred forty-four".