21303241324 has 6 divisors (see below), whose sum is σ = 37280672324. Its totient is φ = 10651620660.

The previous prime is 21303241307. The next prime is 21303241361. The reversal of 21303241324 is 42314230312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2662905162 + ... + 2662905169.

Almost surely, 2^21303241324 is an apocalyptic number.

It is an amenable number.

21303241324 is a deficient number, since it is larger than the sum of its proper divisors (15977431000).

21303241324 is a wasteful number, since it uses less digits than its factorization.

21303241324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5325810335 (or 5325810333 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 21303241324 its reverse (42314230312), we get a palindrome (63617471636).

The spelling of 21303241324 in words is "twenty-one billion, three hundred three million, two hundred forty-one thousand, three hundred twenty-four".