21114313 has 8 divisors (see below), whose sum is σ = 23378400. Its totient is φ = 18907680.

The previous prime is 21114307. The next prime is 21114319. The reversal of 21114313 is 31341112.

It is an interprime number because it is at equal distance from previous prime (21114307) and next prime (21114319).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21114313 - 2¹³ = 21106121 is a prime.

It is a Duffinian number.

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, 13588 + ... + 15061.

It is an arithmetic number, because the mean of its divisors is an integer number (2922300).

Almost surely, 2^21114313 is an apocalyptic number.

It is an amenable number.

21114313 is a deficient number, since it is larger than the sum of its proper divisors (2264087).

21114313 is a wasteful number, since it uses less digits than its factorization.

21114313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28727.

The product of its digits is 72, while the sum is 16.

The square root of 21114313 is about 4595.0313383045. The cubic root of 21114313 is about 276.3921166343.

Adding to 21114313 its reverse (31341112), we get a palindrome (52455425).

The spelling of 21114313 in words is "twenty-one million, one hundred fourteen thousand, three hundred thirteen".