21230314 has 16 divisors (see below), whose sum is σ = 38536128. Its totient is φ = 8563392.

The previous prime is 21230309. The next prime is 21230329. The reversal of 21230314 is 41303212.

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, 44364 + ... + 44839.

It is an arithmetic number, because the mean of its divisors is an integer number (2408508).

Almost surely, 2^21230314 is an apocalyptic number.

21230314 is a deficient number, since it is larger than the sum of its proper divisors (17305814).

21230314 is a wasteful number, since it uses less digits than its factorization.

21230314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89229.

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

The square root of 21230314 is about 4607.6364873979. The cubic root of 21230314 is about 276.8973540883.

Adding to 21230314 its reverse (41303212), we get a palindrome (62533526).

The spelling of 21230314 in words is "twenty-one million, two hundred thirty thousand, three hundred fourteen".