21304421330230 has 96 divisors (see below), whose sum is σ = 41305409883360. Its totient is φ = 7888842823680.

The previous prime is 21304421330221. The next prime is 21304421330251. The reversal of 21304421330230 is 3203312440312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114929020 + ... + 115114240.

It is an arithmetic number, because the mean of its divisors is an integer number (430264686285).

Almost surely, 2^{21304421330230} is an apocalyptic number.

21304421330230 is a deficient number, since it is larger than the sum of its proper divisors (20000988553130).

21304421330230 is a wasteful number, since it uses less digits than its factorization.

21304421330230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185502 (or 185423 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 21304421330230 its reverse (3203312440312), we get a palindrome (24507733770542).

The spelling of 21304421330230 in words is "twenty-one trillion, three hundred four billion, four hundred twenty-one million, three hundred thirty thousand, two hundred thirty".