311244111011 has 8 divisors (see below), whose sum is σ = 311463695664. Its totient is φ = 311024600320.

The previous prime is 311244110993. The next prime is 311244111047. The reversal of 311244111011 is 110111442113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 311244111011 - 2³⁴ = 294064241827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311244111911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10355996 + ... + 10386006.

It is an arithmetic number, because the mean of its divisors is an integer number (38932961958).

Almost surely, 2^311244111011 is an apocalyptic number.

311244111011 is a deficient number, since it is larger than the sum of its proper divisors (219584653).

311244111011 is a wasteful number, since it uses less digits than its factorization.

311244111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36981.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 311244111011 its reverse (110111442113), we get a palindrome (421355553124).

The spelling of 311244111011 in words is "three hundred eleven billion, two hundred forty-four million, one hundred eleven thousand, eleven".