311223230322 has 32 divisors (see below), whose sum is σ = 630068315904. Its totient is φ = 102475536000.

The previous prime is 311223230321. The next prime is 311223230389. The reversal of 311223230322 is 223032322113.

It is a junction number, because it is equal to n+sod(n) for n = 311223230292 and 311223230301.

It is not an unprimeable number, because it can be changed into a prime (311223230321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334603 + ... + 856974.

It is an arithmetic number, because the mean of its divisors is an integer number (19689634872).

Almost surely, 2^311223230322 is an apocalyptic number.

311223230322 is an abundant number, since it is smaller than the sum of its proper divisors (318845085582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311223230322 is a wasteful number, since it uses less digits than its factorization.

311223230322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192114.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 311223230322 its reverse (223032322113), we get a palindrome (534255552435).

The spelling of 311223230322 in words is "three hundred eleven billion, two hundred twenty-three million, two hundred thirty thousand, three hundred twenty-two".