314321423221 has 4 divisors (see below), whose sum is σ = 338499994252. Its totient is φ = 290142852192.

The previous prime is 314321423201. The next prime is 314321423231. The reversal of 314321423221 is 122324123413.

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 102969750321 + 211351672900 = 320889^2 + 459730^2 .

It is a cyclic number.

It is not a de Polignac number, because 314321423221 - 2⁵ = 314321423189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 314321423221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314321423201) 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, 12089285496 + ... + 12089285521.

It is an arithmetic number, because the mean of its divisors is an integer number (84624998563).

Almost surely, 2^314321423221 is an apocalyptic number.

It is an amenable number.

314321423221 is a deficient number, since it is larger than the sum of its proper divisors (24178571031).

314321423221 is a wasteful number, since it uses less digits than its factorization.

314321423221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24178571030.

The product of its digits is 6912, while the sum is 28.

Adding to 314321423221 its reverse (122324123413), we get a palindrome (436645546634).

The spelling of 314321423221 in words is "three hundred fourteen billion, three hundred twenty-one million, four hundred twenty-three thousand, two hundred twenty-one".