214030321 has 4 divisors (see below), whose sum is σ = 214094500. Its totient is φ = 213966144.

The previous prime is 214030319. The next prime is 214030351. The reversal of 214030321 is 123030412.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 105349696 + 108680625 = 10264^2 + 10425^2 .

It is a cyclic number.

It is not a de Polignac number, because 214030321 - 2¹ = 214030319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214030295 and 214030304.

It is not an unprimeable number, because it can be changed into a prime (214030301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26796 + ... + 33853.

It is an arithmetic number, because the mean of its divisors is an integer number (53523625).

Almost surely, 2^214030321 is an apocalyptic number.

It is an amenable number.

214030321 is a deficient number, since it is larger than the sum of its proper divisors (64179).

214030321 is an equidigital number, since it uses as much as digits as its factorization.

214030321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64178.

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

The square root of 214030321 is about 14629.7751520657. The cubic root of 214030321 is about 598.1706512888.

Adding to 214030321 its reverse (123030412), we get a palindrome (337060733).

Subtracting from 214030321 its reverse (123030412), we obtain a palindrome (90999909).

The spelling of 214030321 in words is "two hundred fourteen million, thirty thousand, three hundred twenty-one".