313323210322321 has 4 divisors (see below), whose sum is σ = 318633773209200. Its totient is φ = 308012647435444.

The previous prime is 313323210322319. The next prime is 313323210322333. The reversal of 313323210322321 is 123223012323313.

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 313323210322321 - 2¹ = 313323210322319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313323210322351) 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, 2655281443351 + ... + 2655281443468.

It is an arithmetic number, because the mean of its divisors is an integer number (79658443302300).

Almost surely, 2^{313323210322321} is an apocalyptic number.

It is an amenable number.

313323210322321 is a deficient number, since it is larger than the sum of its proper divisors (5310562886879).

313323210322321 is an equidigital number, since it uses as much as digits as its factorization.

313323210322321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5310562886878.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 313323210322321 its reverse (123223012323313), we get a palindrome (436546222645634).

The spelling of 313323210322321 in words is "three hundred thirteen trillion, three hundred twenty-three billion, two hundred ten million, three hundred twenty-two thousand, three hundred twenty-one".