11031211311 has 32 divisors (see below), whose sum is σ = 16405551360. Its totient is φ = 6552285696.

The previous prime is 11031211291. The next prime is 11031211327. The reversal of 11031211311 is 11311213011.

11031211311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11031211311 - 2¹¹ = 11031209263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031211211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1573065 + ... + 1580061.

It is an arithmetic number, because the mean of its divisors is an integer number (512673480).

Almost surely, 2^11031211311 is an apocalyptic number.

11031211311 is a deficient number, since it is larger than the sum of its proper divisors (5374340049).

11031211311 is a wasteful number, since it uses less digits than its factorization.

11031211311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8663.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 11031211311 its reverse (11311213011), we get a palindrome (22342424322).

The spelling of 11031211311 in words is "eleven billion, thirty-one million, two hundred eleven thousand, three hundred eleven".