214556314321 has 4 divisors (see below), whose sum is σ = 214564859392. Its totient is φ = 214547769252.

The previous prime is 214556314319. The next prime is 214556314351. The reversal of 214556314321 is 123413655412.

214556314321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 214556314321 - 2¹ = 214556314319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214556314351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4234761 + ... + 4285126.

It is an arithmetic number, because the mean of its divisors is an integer number (53641214848).

Almost surely, 2^214556314321 is an apocalyptic number.

It is an amenable number.

214556314321 is a deficient number, since it is larger than the sum of its proper divisors (8545071).

214556314321 is an equidigital number, since it uses as much as digits as its factorization.

214556314321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8545070.

The product of its digits is 86400, while the sum is 37.

Adding to 214556314321 its reverse (123413655412), we get a palindrome (337969969733).

The spelling of 214556314321 in words is "two hundred fourteen billion, five hundred fifty-six million, three hundred fourteen thousand, three hundred twenty-one".