313320311222111 has 4 divisors (see below), whose sum is σ = 313341511609800. Its totient is φ = 313299110834424.

The previous prime is 313320311222089. The next prime is 313320311222147. The reversal of 313320311222111 is 111222113023313.

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

It is a cyclic number.

It is not a de Polignac number, because 313320311222111 - 2¹⁸ = 313320310959967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313320311122111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10600171676 + ... + 10600201233.

It is an arithmetic number, because the mean of its divisors is an integer number (78335377902450).

Almost surely, 2^{313320311222111} is an apocalyptic number.

313320311222111 is a deficient number, since it is larger than the sum of its proper divisors (21200387689).

313320311222111 is a wasteful number, since it uses less digits than its factorization.

313320311222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21200387688.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 313320311222111 its reverse (111222113023313), we get a palindrome (424542424245424).

The spelling of 313320311222111 in words is "three hundred thirteen trillion, three hundred twenty billion, three hundred eleven million, two hundred twenty-two thousand, one hundred eleven".