311013133321111 has 8 divisors (see below), whose sum is σ = 335409628436960. Its totient is φ = 286684125053472.

The previous prime is 311013133321109. The next prime is 311013133321117. The reversal of 311013133321111 is 111123331310113.

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 311013133321111 - 2¹ = 311013133321109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311013133321117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16871702475 + ... + 16871720908.

It is an arithmetic number, because the mean of its divisors is an integer number (41926203554620).

Almost surely, 2^{311013133321111} is an apocalyptic number.

311013133321111 is a deficient number, since it is larger than the sum of its proper divisors (24396495115849).

311013133321111 is a wasteful number, since it uses less digits than its factorization.

311013133321111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33743424105.

The product of its (nonzero) digits is 486, while the sum is 25.

Adding to 311013133321111 its reverse (111123331310113), we get a palindrome (422136464631224).

The spelling of 311013133321111 in words is "three hundred eleven trillion, thirteen billion, one hundred thirty-three million, three hundred twenty-one thousand, one hundred eleven".