311121111444044 has 12 divisors (see below), whose sum is σ = 593958485484168. Its totient is φ = 141418687020000.

The previous prime is 311121111444037. The next prime is 311121111444053. The reversal of 311121111444044 is 440444111121113.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 311121111444044.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3535467175457 + ... + 3535467175544.

It is an arithmetic number, because the mean of its divisors is an integer number (49496540457014).

Almost surely, 2^{311121111444044} is an apocalyptic number.

It is an amenable number.

311121111444044 is a deficient number, since it is larger than the sum of its proper divisors (282837374040124).

311121111444044 is a wasteful number, since it uses less digits than its factorization.

311121111444044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7070934351016 (or 7070934351014 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

Adding to 311121111444044 its reverse (440444111121113), we get a palindrome (751565222565157).

The spelling of 311121111444044 in words is "three hundred eleven trillion, one hundred twenty-one billion, one hundred eleven million, four hundred forty-four thousand, forty-four".