21314204244324 has 54 divisors (see below), whose sum is σ = 55946943666614. Its totient is φ = 7104734739360.

The previous prime is 21314204244259. The next prime is 21314204244341. The reversal of 21314204244324 is 42344240241312.

21314204244324 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 4 + 204 + 2 + 443 + 2 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15823767968100 + 5490436276224 = 3977910^2 + 2343168^2 .

It is a tau number, because it is divible by the number of its divisors (54).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 406051417 + ... + 406103904.

Almost surely, 2^{21314204244324} is an apocalyptic number.

It is an amenable number.

21314204244324 is an abundant number, since it is smaller than the sum of its proper divisors (34632739422290).

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

21314204244324 is an frugal number, since it uses more digits than its factorization.

21314204244324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812155349 (or 812155326 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 21314204244324 its reverse (42344240241312), we get a palindrome (63658444485636).

The spelling of 21314204244324 in words is "twenty-one trillion, three hundred fourteen billion, two hundred four million, two hundred forty-four thousand, three hundred twenty-four".