11331344311 has 8 divisors (see below), whose sum is σ = 12952773504. Its totient is φ = 9710581560.

The previous prime is 11331344273. The next prime is 11331344327. The reversal of 11331344311 is 11344313311.

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 11331344311 - 2²⁷ = 11197126583 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 (11331344341) 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, 129625 + ... + 198658.

It is an arithmetic number, because the mean of its divisors is an integer number (1619096688).

Almost surely, 2^11331344311 is an apocalyptic number.

11331344311 is a deficient number, since it is larger than the sum of its proper divisors (1621429193).

11331344311 is an equidigital number, since it uses as much as digits as its factorization.

11331344311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333221.

The product of its digits is 1296, while the sum is 25.

Adding to 11331344311 its reverse (11344313311), we get a palindrome (22675657622).

The spelling of 11331344311 in words is "eleven billion, three hundred thirty-one million, three hundred forty-four thousand, three hundred eleven".