21041302324 has 12 divisors (see below), whose sum is σ = 42082604704. Its totient is φ = 9017700984.

The previous prime is 21041302291. The next prime is 21041302327. The reversal of 21041302324 is 42320314012.

21041302324 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 21041302295 and 21041302304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21041302327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375737514 + ... + 375737569.

Almost surely, 2^21041302324 is an apocalyptic number.

It is an amenable number.

21041302324 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21041302324 is a wasteful number, since it uses less digits than its factorization.

21041302324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751475094 (or 751475092 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 21041302324 its reverse (42320314012), we get a palindrome (63361616336).

The spelling of 21041302324 in words is "twenty-one billion, forty-one million, three hundred two thousand, three hundred twenty-four".