30401530221 has 4 divisors (see below), whose sum is σ = 40535373632. Its totient is φ = 20267686812.

The previous prime is 30401530193. The next prime is 30401530259. The reversal of 30401530221 is 12203510403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30401530221 - 2¹¹ = 30401528173 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 (30401030221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5066921701 + ... + 5066921706.

It is an arithmetic number, because the mean of its divisors is an integer number (10133843408).

Almost surely, 2^30401530221 is an apocalyptic number.

It is an amenable number.

30401530221 is a deficient number, since it is larger than the sum of its proper divisors (10133843411).

30401530221 is a wasteful number, since it uses less digits than its factorization.

30401530221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10133843410.

The product of its (nonzero) digits is 720, while the sum is 21.

The spelling of 30401530221 in words is "thirty billion, four hundred one million, five hundred thirty thousand, two hundred twenty-one".