321224042110313 has 4 divisors (see below), whose sum is σ = 321227680523220. Its totient is φ = 321220403697408.

The previous prime is 321224042110259. The next prime is 321224042110333. The reversal of 321224042110313 is 313011240422123.

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 207257571052249 + 113966471058064 = 14396443^2 + 10675508^2 .

It is a cyclic number.

It is not a de Polignac number, because 321224042110313 - 2⁶ = 321224042110249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (321224042110333) 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, 1819074020 + ... + 1819250597.

It is an arithmetic number, because the mean of its divisors is an integer number (80306920130805).

Almost surely, 2^{321224042110313} is an apocalyptic number.

It is an amenable number.

321224042110313 is a deficient number, since it is larger than the sum of its proper divisors (3638412907).

321224042110313 is an equidigital number, since it uses as much as digits as its factorization.

321224042110313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3638412906.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 321224042110313 its reverse (313011240422123), we get a palindrome (634235282532436).

The spelling of 321224042110313 in words is "three hundred twenty-one trillion, two hundred twenty-four billion, forty-two million, one hundred ten thousand, three hundred thirteen".