30432210221 has 8 divisors (see below), whose sum is σ = 36825531840. Its totient is φ = 24550354368.

The previous prime is 30432210139. The next prime is 30432210241. The reversal of 30432210221 is 12201223403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30432210221 - 2¹⁴ = 30432193837 is a prime.

It is a super-2 number, since 2×30432210221² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30432210193 and 30432210202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30432210241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127866311 + ... + 127866548.

It is an arithmetic number, because the mean of its divisors is an integer number (4603191480).

Almost surely, 2^30432210221 is an apocalyptic number.

It is an amenable number.

30432210221 is a deficient number, since it is larger than the sum of its proper divisors (6393321619).

30432210221 is a wasteful number, since it uses less digits than its factorization.

30432210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255732883.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30432210221 its reverse (12201223403), we get a palindrome (42633433624).

The spelling of 30432210221 in words is "thirty billion, four hundred thirty-two million, two hundred ten thousand, two hundred twenty-one".