311223102303 has 16 divisors (see below), whose sum is σ = 428716024832. Its totient is φ = 200617560000.

The previous prime is 311223102199. The next prime is 311223102319. The reversal of 311223102303 is 303201322113.

It is not a de Polignac number, because 311223102303 - 2²⁵ = 311189547871 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 311223102303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311223102373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1319998 + ... + 1537803.

It is an arithmetic number, because the mean of its divisors is an integer number (26794751552).

Almost surely, 2^311223102303 is an apocalyptic number.

311223102303 is a deficient number, since it is larger than the sum of its proper divisors (117492922529).

311223102303 is a wasteful number, since it uses less digits than its factorization.

311223102303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859006.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 311223102303 its reverse (303201322113), we get a palindrome (614424424416).

The spelling of 311223102303 in words is "three hundred eleven billion, two hundred twenty-three million, one hundred two thousand, three hundred three".