131343242442323 has 4 divisors (see below), whose sum is σ = 131343265597368. Its totient is φ = 131343219287280.

The previous prime is 131343242442289. The next prime is 131343242442329. The reversal of 131343242442323 is 323244242343131.

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 131343242442323 - 2¹⁸ = 131343242180179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131343242442329) 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, 3325940 + ... + 16545342.

It is an arithmetic number, because the mean of its divisors is an integer number (32835816399342).

Almost surely, 2^{131343242442323} is an apocalyptic number.

131343242442323 is a deficient number, since it is larger than the sum of its proper divisors (23155045).

131343242442323 is an equidigital number, since it uses as much as digits as its factorization.

131343242442323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23155044.

The product of its digits is 995328, while the sum is 41.

Adding to 131343242442323 its reverse (323244242343131), we get a palindrome (454587484785454).

The spelling of 131343242442323 in words is "one hundred thirty-one trillion, three hundred forty-three billion, two hundred forty-two million, four hundred forty-two thousand, three hundred twenty-three".