30113644 has 24 divisors (see below), whose sum is σ = 57657600. Its totient is φ = 13648080.

The previous prime is 30113627. The next prime is 30113663. The reversal of 30113644 is 44631103.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18537 + ... + 20095.

It is an arithmetic number, because the mean of its divisors is an integer number (2402400).

Almost surely, 2^30113644 is an apocalyptic number.

It is an amenable number.

30113644 is a deficient number, since it is larger than the sum of its proper divisors (27543956).

30113644 is a wasteful number, since it uses less digits than its factorization.

30113644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013 (or 2011 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 30113644 is about 5487.5899992620. The cubic root of 30113644 is about 311.1151099070.

Adding to 30113644 its reverse (44631103), we get a palindrome (74744747).

The spelling of 30113644 in words is "thirty million, one hundred thirteen thousand, six hundred forty-four".