214311443 has 4 divisors (see below), whose sum is σ = 214947720. Its totient is φ = 213675168.

The previous prime is 214311397. The next prime is 214311457. The reversal of 214311443 is 344113412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 214311443 - 2¹⁰ = 214310419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214311473) 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 3 ways as a sum of consecutive naturals, for example, 317633 + ... + 318306.

It is an arithmetic number, because the mean of its divisors is an integer number (53736930).

Almost surely, 2^214311443 is an apocalyptic number.

214311443 is a deficient number, since it is larger than the sum of its proper divisors (636277).

214311443 is an equidigital number, since it uses as much as digits as its factorization.

214311443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636276.

The product of its digits is 1152, while the sum is 23.

The square root of 214311443 is about 14639.3798707459. The cubic root of 214311443 is about 598.4324294003.

Adding to 214311443 its reverse (344113412), we get a palindrome (558424855).

The spelling of 214311443 in words is "two hundred fourteen million, three hundred eleven thousand, four hundred forty-three".