11320312112311 has 4 divisors (see below), whose sum is σ = 11596417285824. Its totient is φ = 11044206938800.

The previous prime is 11320312112309. The next prime is 11320312112377. The reversal of 11320312112311 is 11321121302311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11320312112311 - 2¹ = 11320312112309 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 (11320312112411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138052586695 + ... + 138052586776.

It is an arithmetic number, because the mean of its divisors is an integer number (2899104321456).

Almost surely, 2^{11320312112311} is an apocalyptic number.

11320312112311 is a deficient number, since it is larger than the sum of its proper divisors (276105173513).

11320312112311 is an equidigital number, since it uses as much as digits as its factorization.

11320312112311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276105173512.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 11320312112311 its reverse (11321121302311), we get a palindrome (22641433414622).

The spelling of 11320312112311 in words is "eleven trillion, three hundred twenty billion, three hundred twelve million, one hundred twelve thousand, three hundred eleven".