30421404321 has 32 divisors (see below), whose sum is σ = 50592301056. Its totient is φ = 15796560000.

The previous prime is 30421404301. The next prime is 30421404361. The reversal of 30421404321 is 12340412403.

It is not a de Polignac number, because 30421404321 - 2⁶ = 30421404257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30421404291 and 30421404300.

It is not an unprimeable number, because it can be changed into a prime (30421404301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 536896 + ... + 590846.

It is an arithmetic number, because the mean of its divisors is an integer number (1581009408).

Almost surely, 2^30421404321 is an apocalyptic number.

It is an amenable number.

30421404321 is a deficient number, since it is larger than the sum of its proper divisors (20170896735).

30421404321 is a wasteful number, since it uses less digits than its factorization.

30421404321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56413.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 30421404321 its reverse (12340412403), we get a palindrome (42761816724).

The spelling of 30421404321 in words is "thirty billion, four hundred twenty-one million, four hundred four thousand, three hundred twenty-one".