21341202324 has 96 divisors (see below), whose sum is σ = 55268330880. Its totient is φ = 6366739968.

The previous prime is 21341202313. The next prime is 21341202367. The reversal of 21341202324 is 42320214312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21341202294 and 21341202303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1684887 + ... + 1697505.

It is an arithmetic number, because the mean of its divisors is an integer number (575711780).

Almost surely, 2^21341202324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21341202324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27634165440).

21341202324 is an abundant number, since it is smaller than the sum of its proper divisors (33927128556).

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

21341202324 is a wasteful number, since it uses less digits than its factorization.

21341202324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12969 (or 12967 counting only the distinct ones).

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

Adding to 21341202324 its reverse (42320214312), we get a palindrome (63661416636).

The spelling of 21341202324 in words is "twenty-one billion, three hundred forty-one million, two hundred two thousand, three hundred twenty-four".