311311110133 has 8 divisors (see below), whose sum is σ = 316483073856. Its totient is φ = 306161016000.

The previous prime is 311311110113. The next prime is 311311110151. The reversal of 311311110133 is 331011113113.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311311110133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 311311110133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311311110113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5438691 + ... + 5495632.

It is an arithmetic number, because the mean of its divisors is an integer number (39560384232).

Almost surely, 2^311311110133 is an apocalyptic number.

It is an amenable number.

311311110133 is a deficient number, since it is larger than the sum of its proper divisors (5171963723).

311311110133 is a wasteful number, since it uses less digits than its factorization.

311311110133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10934795.

The product of its (nonzero) digits is 81, while the sum is 19.

Adding to 311311110133 its reverse (331011113113), we get a palindrome (642322223246).

The spelling of 311311110133 in words is "three hundred eleven billion, three hundred eleven million, one hundred ten thousand, one hundred thirty-three".