30320243421 has 8 divisors (see below), whose sum is σ = 43536759840. Its totient is φ = 18658611312.

The previous prime is 30320243399. The next prime is 30320243423. The reversal of 30320243421 is 12434202303.

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

It is not a de Polignac number, because 30320243421 - 2¹⁰ = 30320242397 is a prime.

It is a super-2 number, since 2×30320243421² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30320243391 and 30320243400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30320243423) 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, 388721031 + ... + 388721108.

It is an arithmetic number, because the mean of its divisors is an integer number (5442094980).

Almost surely, 2^30320243421 is an apocalyptic number.

It is an amenable number.

30320243421 is a deficient number, since it is larger than the sum of its proper divisors (13216516419).

30320243421 is a wasteful number, since it uses less digits than its factorization.

30320243421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777442155.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 30320243421 its reverse (12434202303), we get a palindrome (42754445724).

The spelling of 30320243421 in words is "thirty billion, three hundred twenty million, two hundred forty-three thousand, four hundred twenty-one".