311323230052 has 24 divisors (see below), whose sum is σ = 550870598880. Its totient is φ = 153940346880.

The previous prime is 311323229989. The next prime is 311323230067. The reversal of 311323230052 is 250032323113.

It is a junction number, because it is equal to n+sod(n) for n = 311323229999 and 311323230026.

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, 946474 + ... + 1232257.

It is an arithmetic number, because the mean of its divisors is an integer number (22952941620).

Almost surely, 2^311323230052 is an apocalyptic number.

It is an amenable number.

311323230052 is a deficient number, since it is larger than the sum of its proper divisors (239547368828).

311323230052 is a wasteful number, since it uses less digits than its factorization.

311323230052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179131 (or 2179129 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 311323230052 its reverse (250032323113), we get a palindrome (561355553165).

The spelling of 311323230052 in words is "three hundred eleven billion, three hundred twenty-three million, two hundred thirty thousand, fifty-two".