311322303223 has 8 divisors (see below), whose sum is σ = 315296645040. Its totient is φ = 307358546880.

The previous prime is 311322303221. The next prime is 311322303263. The reversal of 311322303223 is 322303223113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 311322303223 - 2¹ = 311322303221 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 (311322303221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2587165 + ... + 2704822.

It is an arithmetic number, because the mean of its divisors is an integer number (39412080630).

Almost surely, 2^311322303223 is an apocalyptic number.

311322303223 is a deficient number, since it is larger than the sum of its proper divisors (3974341817).

311322303223 is an equidigital number, since it uses as much as digits as its factorization.

311322303223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5292737.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 311322303223 its reverse (322303223113), we get a palindrome (633625526336).

The spelling of 311322303223 in words is "three hundred eleven billion, three hundred twenty-two million, three hundred three thousand, two hundred twenty-three".