30322443421 has 4 divisors (see below), whose sum is σ = 30836383200. Its totient is φ = 29808503644.

The previous prime is 30322443341. The next prime is 30322443439. The reversal of 30322443421 is 12434422303.

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: 12434422303 = 1063 ⋅11697481.

It is a cyclic number.

It is not a de Polignac number, because 30322443421 - 2¹³ = 30322435229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30322443421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30322443451) 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, 256969801 + ... + 256969918.

It is an arithmetic number, because the mean of its divisors is an integer number (7709095800).

Almost surely, 2^30322443421 is an apocalyptic number.

It is an amenable number.

30322443421 is a deficient number, since it is larger than the sum of its proper divisors (513939779).

30322443421 is an equidigital number, since it uses as much as digits as its factorization.

30322443421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513939778.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 30322443421 its reverse (12434422303), we get a palindrome (42756865724).

The spelling of 30322443421 in words is "thirty billion, three hundred twenty-two million, four hundred forty-three thousand, four hundred twenty-one".