21302314 has 16 divisors (see below), whose sum is σ = 35207136. Its totient is φ = 9586000.

The previous prime is 21302299. The next prime is 21302321. The reversal of 21302314 is 41320312.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2572 + ... + 7015.

It is an arithmetic number, because the mean of its divisors is an integer number (2200446).

Almost surely, 2^21302314 is an apocalyptic number.

21302314 is a deficient number, since it is larger than the sum of its proper divisors (13904822).

21302314 is a wasteful number, since it uses less digits than its factorization.

21302314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9701.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 21302314 is about 4615.4429906565. The cubic root of 21302314 is about 277.2100220080.

Adding to 21302314 its reverse (41320312), we get a palindrome (62622626).

It can be divided in two parts, 2130 and 2314, that added together give a palindrome (4444).

The spelling of 21302314 in words is "twenty-one million, three hundred two thousand, three hundred fourteen".