132311231111 has 4 divisors (see below), whose sum is σ = 132335210400. Its totient is φ = 132287251824.

The previous prime is 132311231071. The next prime is 132311231123. The reversal of 132311231111 is 111132113231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132311231111 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 (132311231191) 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, 11981366 + ... + 11992403.

It is an arithmetic number, because the mean of its divisors is an integer number (33083802600).

Almost surely, 2^132311231111 is an apocalyptic number.

132311231111 is a deficient number, since it is larger than the sum of its proper divisors (23979289).

132311231111 is an equidigital number, since it uses as much as digits as its factorization.

132311231111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23979288.

The product of its digits is 108, while the sum is 20.

Adding to 132311231111 its reverse (111132113231), we get a palindrome (243443344342).

The spelling of 132311231111 in words is "one hundred thirty-two billion, three hundred eleven million, two hundred thirty-one thousand, one hundred eleven".