131111332212323 has 4 divisors (see below), whose sum is σ = 131224067666808. Its totient is φ = 130998596757840.

The previous prime is 131111332212253. The next prime is 131111332212431. The reversal of 131111332212323 is 323212233111131.

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-131111332212323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131111332212023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56367725498 + ... + 56367727823.

It is an arithmetic number, because the mean of its divisors is an integer number (32806016916702).

Almost surely, 2^{131111332212323} is an apocalyptic number.

131111332212323 is a deficient number, since it is larger than the sum of its proper divisors (112735454485).

131111332212323 is a wasteful number, since it uses less digits than its factorization.

131111332212323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112735454484.

The product of its digits is 3888, while the sum is 29.

Adding to 131111332212323 its reverse (323212233111131), we get a palindrome (454323565323454).

The spelling of 131111332212323 in words is "one hundred thirty-one trillion, one hundred eleven billion, three hundred thirty-two million, two hundred twelve thousand, three hundred twenty-three".