311302423312 has 20 divisors (see below), whose sum is σ = 617859384156. Its totient is φ = 151854840320.

The previous prime is 311302423279. The next prime is 311302423343. The reversal of 311302423312 is 213324203113.

It can be written as a sum of positive squares in 2 ways, for example, as 188967567616 + 122334855696 = 434704^2 + 349764^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237272533 + ... + 237273844.

Almost surely, 2^311302423312 is an apocalyptic number.

It is an amenable number.

311302423312 is a deficient number, since it is larger than the sum of its proper divisors (306556960844).

311302423312 is a wasteful number, since it uses less digits than its factorization.

311302423312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474546426 (or 474546420 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 311302423312 its reverse (213324203113), we get a palindrome (524626626425).

The spelling of 311302423312 in words is "three hundred eleven billion, three hundred two million, four hundred twenty-three thousand, three hundred twelve".