311121112336 has 10 divisors (see below), whose sum is σ = 602797155182. Its totient is φ = 155560556160.

The previous prime is 311121112301. The next prime is 311121112343. The reversal of 311121112336 is 633211121113.

It can be written as a sum of positive squares in only one way, i.e., 190406558736 + 120714553600 = 436356^2 + 347440^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 311121112336.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9722534745 + ... + 9722534776.

Almost surely, 2^311121112336 is an apocalyptic number.

It is an amenable number.

311121112336 is a deficient number, since it is larger than the sum of its proper divisors (291676042846).

311121112336 is a wasteful number, since it uses less digits than its factorization.

311121112336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19445069529 (or 19445069523 counting only the distinct ones).

The product of its digits is 648, while the sum is 25.

Adding to 311121112336 its reverse (633211121113), we get a palindrome (944332233449).

The spelling of 311121112336 in words is "three hundred eleven billion, one hundred twenty-one million, one hundred twelve thousand, three hundred thirty-six".