30503830221 has 24 divisors (see below), whose sum is σ = 44721206400. Its totient is φ = 20033244000.

The previous prime is 30503830211. The next prime is 30503830223. The reversal of 30503830221 is 12203830503.

30503830221 is a `hidden beast` number, since 305 + 0 + 38 + 302 + 21 = 666.

It is not a de Polignac number, because 30503830221 - 2⁹ = 30503829709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30503830223) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 96576 + ... + 265206.

It is an arithmetic number, because the mean of its divisors is an integer number (1863383600).

Almost surely, 2^30503830221 is an apocalyptic number.

It is an amenable number.

30503830221 is a deficient number, since it is larger than the sum of its proper divisors (14217376179).

30503830221 is a wasteful number, since it uses less digits than its factorization.

30503830221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168937 (or 168934 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The spelling of 30503830221 in words is "thirty billion, five hundred three million, eight hundred thirty thousand, two hundred twenty-one".