30342300221 has 4 divisors (see below), whose sum is σ = 30344653152. Its totient is φ = 30339947292.

The previous prime is 30342300199. The next prime is 30342300257. The reversal of 30342300221 is 12200324303.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12200324303 = 257 ⋅47472079.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30342300221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30342300193 and 30342300202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30342303221) 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, 1157015 + ... + 1182948.

It is an arithmetic number, because the mean of its divisors is an integer number (7586163288).

Almost surely, 2^30342300221 is an apocalyptic number.

It is an amenable number.

30342300221 is a deficient number, since it is larger than the sum of its proper divisors (2352931).

30342300221 is a wasteful number, since it uses less digits than its factorization.

30342300221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352930.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30342300221 its reverse (12200324303), we get a palindrome (42542624524).

The spelling of 30342300221 in words is "thirty billion, three hundred forty-two million, three hundred thousand, two hundred twenty-one".