21214313334 has 24 divisors (see below), whose sum is σ = 47549324160. Its totient is φ = 6827594928.

The previous prime is 21214313293. The next prime is 21214313401. The reversal of 21214313334 is 43331341212.

It is a happy number.

21214313334 is a `hidden beast` number, since 2 + 1 + 2 + 14 + 313 + 334 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 21214313298 and 21214313307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20319702 + ... + 20320745.

It is an arithmetic number, because the mean of its divisors is an integer number (1981221840).

Almost surely, 2^21214313334 is an apocalyptic number.

21214313334 is an abundant number, since it is smaller than the sum of its proper divisors (26335010826).

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

21214313334 is a wasteful number, since it uses less digits than its factorization.

21214313334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40640484 (or 40640481 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 21214313334 its reverse (43331341212), we get a palindrome (64545654546).

The spelling of 21214313334 in words is "twenty-one billion, two hundred fourteen million, three hundred thirteen thousand, three hundred thirty-four".