30535032221 has 16 divisors (see below), whose sum is σ = 32781000000. Its totient is φ = 28355774976.

The previous prime is 30535032181. The next prime is 30535032233. The reversal of 30535032221 is 12223053503.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30535032221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30535032421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352205 + ... + 430253.

It is an arithmetic number, because the mean of its divisors is an integer number (2048812500).

Almost surely, 2^30535032221 is an apocalyptic number.

It is an amenable number.

30535032221 is a deficient number, since it is larger than the sum of its proper divisors (2245967779).

30535032221 is a wasteful number, since it uses less digits than its factorization.

30535032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78476.

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 30535032221 its reverse (12223053503), we get a palindrome (42758085724).

The spelling of 30535032221 in words is "thirty billion, five hundred thirty-five million, thirty-two thousand, two hundred twenty-one".