11234311311 has 16 divisors (see below), whose sum is σ = 15089045504. Its totient is φ = 7434651744.

The previous prime is 11234311307. The next prime is 11234311391. The reversal of 11234311311 is 11311343211.

It is not a de Polignac number, because 11234311311 - 2² = 11234311307 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 (11234311391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501006 + ... + 522948.

It is an arithmetic number, because the mean of its divisors is an integer number (943065344).

Almost surely, 2^11234311311 is an apocalyptic number.

11234311311 is a deficient number, since it is larger than the sum of its proper divisors (3854734193).

11234311311 is a wasteful number, since it uses less digits than its factorization.

11234311311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23190.

The product of its digits is 216, while the sum is 21.

Adding to 11234311311 its reverse (11311343211), we get a palindrome (22545654522).

The spelling of 11234311311 in words is "eleven billion, two hundred thirty-four million, three hundred eleven thousand, three hundred eleven".