311043321104 has 10 divisors (see below), whose sum is σ = 602646434670. Its totient is φ = 155521660544.

The previous prime is 311043321103. The next prime is 311043321163. The reversal of 311043321104 is 401123340113.

It can be written as a sum of positive squares in only one way, i.e., 280425320704 + 30618000400 = 529552^2 + 174980^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 311043321104.

It is not an unprimeable number, because it can be changed into a prime (311043321103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9720103769 + ... + 9720103800.

It is an arithmetic number, because the mean of its divisors is an integer number (60264643467).

Almost surely, 2^311043321104 is an apocalyptic number.

It is an amenable number.

311043321104 is a deficient number, since it is larger than the sum of its proper divisors (291603113566).

311043321104 is a wasteful number, since it uses less digits than its factorization.

311043321104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19440207577 (or 19440207571 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 311043321104 its reverse (401123340113), we get a palindrome (712166661217).

The spelling of 311043321104 in words is "three hundred eleven billion, forty-three million, three hundred twenty-one thousand, one hundred four".