21114314 has 16 divisors (see below), whose sum is σ = 34201608. Its totient is φ = 9718272.

The previous prime is 21114307. The next prime is 21114319. The reversal of 21114314 is 41341112.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18207289 + 2907025 = 4267^2 + 1705^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21114292 and 21114301.

It is not an unprimeable number, because it can be changed into a prime (21114319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10994 + ... + 12770.

Almost surely, 2^21114314 is an apocalyptic number.

21114314 is a deficient number, since it is larger than the sum of its proper divisors (13087294).

21114314 is a wasteful number, since it uses less digits than its factorization.

21114314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249.

The product of its digits is 96, while the sum is 17.

The square root of 21114314 is about 4595.0314471176. The cubic root of 21114314 is about 276.3921209977.

Adding to 21114314 its reverse (41341112), we get a palindrome (62455426).

The spelling of 21114314 in words is "twenty-one million, one hundred fourteen thousand, three hundred fourteen".