30320213421 has 16 divisors (see below), whose sum is σ = 40562380800. Its totient is φ = 20145825648.

The previous prime is 30320213411. The next prime is 30320213453. The reversal of 30320213421 is 12431202303.

It is not a de Polignac number, because 30320213421 - 2²² = 30316019117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30320213411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2189100 + ... + 2202906.

It is an arithmetic number, because the mean of its divisors is an integer number (2535148800).

Almost surely, 2^30320213421 is an apocalyptic number.

It is an amenable number.

30320213421 is a deficient number, since it is larger than the sum of its proper divisors (10242167379).

30320213421 is a wasteful number, since it uses less digits than its factorization.

30320213421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16208.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30320213421 its reverse (12431202303), we get a palindrome (42751415724).

The spelling of 30320213421 in words is "thirty billion, three hundred twenty million, two hundred thirteen thousand, four hundred twenty-one".