21324241314 has 72 divisors (see below), whose sum is σ = 48836920860. Its totient is φ = 6716590272.

The previous prime is 21324241249. The next prime is 21324241319. The reversal of 21324241314 is 41314242312.

21324241314 is a `hidden beast` number, since 2 + 1 + 3 + 242 + 413 + 1 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21297024225 + 27217089 = 145935^2 + 5217^2 .

It is not an unprimeable number, because it can be changed into a prime (21324241319) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1143852 + ... + 1162344.

Almost surely, 2^21324241314 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21324241314, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24418460430).

21324241314 is an abundant number, since it is smaller than the sum of its proper divisors (27512679546).

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

21324241314 is a wasteful number, since it uses less digits than its factorization.

21324241314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18624 (or 18574 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 21324241314 its reverse (41314242312), we get a palindrome (62638483626).

The spelling of 21324241314 in words is "twenty-one billion, three hundred twenty-four million, two hundred forty-one thousand, three hundred fourteen".