311320323304 has 32 divisors (see below), whose sum is σ = 599573709000. Its totient is φ = 151435008000.

The previous prime is 311320323229. The next prime is 311320323311. The reversal of 311320323304 is 403323023113.

It can be written as a sum of positive squares in 4 ways, for example, as 304591402404 + 6728920900 = 551898^2 + 82030^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2605872 + ... + 2722720.

Almost surely, 2^311320323304 is an apocalyptic number.

It is an amenable number.

311320323304 is a deficient number, since it is larger than the sum of its proper divisors (288253385696).

311320323304 is a wasteful number, since it uses less digits than its factorization.

311320323304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125893 (or 125889 counting only the distinct ones).

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

Adding to 311320323304 its reverse (403323023113), we get a palindrome (714643346417).

The spelling of 311320323304 in words is "three hundred eleven billion, three hundred twenty million, three hundred twenty-three thousand, three hundred four".