311303411212223 has 12 divisors (see below), whose sum is σ = 320439908754120. Its totient is φ = 302340008534256.

The previous prime is 311303411212127. The next prime is 311303411212229. The reversal of 311303411212223 is 322212114303113.

It is not a de Polignac number, because 311303411212223 - 2¹⁶ = 311303411146687 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 (311303411212229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 382546736 + ... + 383359637.

It is an arithmetic number, because the mean of its divisors is an integer number (26703325729510).

Almost surely, 2^{311303411212223} is an apocalyptic number.

311303411212223 is a deficient number, since it is larger than the sum of its proper divisors (9136497541897).

311303411212223 is an frugal number, since it uses more digits than its factorization.

311303411212223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765906598 (or 765906515 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 311303411212223 its reverse (322212114303113), we get a palindrome (633515525515336).

The spelling of 311303411212223 in words is "three hundred eleven trillion, three hundred three billion, four hundred eleven million, two hundred twelve thousand, two hundred twenty-three".