311123104312 has 8 divisors (see below), whose sum is σ = 583355820600. Its totient is φ = 155561552152.

The previous prime is 311123104307. The next prime is 311123104373. The reversal of 311123104312 is 213401321113.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19445194012 + ... + 19445194027.

It is an arithmetic number, because the mean of its divisors is an integer number (72919477575).

Almost surely, 2^311123104312 is an apocalyptic number.

It is an amenable number.

311123104312 is a deficient number, since it is larger than the sum of its proper divisors (272232716288).

311123104312 is a wasteful number, since it uses less digits than its factorization.

311123104312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38890388045 (or 38890388041 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 311123104312 its reverse (213401321113), we get a palindrome (524524425425).

The spelling of 311123104312 in words is "three hundred eleven billion, one hundred twenty-three million, one hundred four thousand, three hundred twelve".