131342213143443 has 4 divisors (see below), whose sum is σ = 175122950857928. Its totient is φ = 87561475428960.

The previous prime is 131342213143411. The next prime is 131342213143447. The reversal of 131342213143443 is 344341312243131.

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

It is not a de Polignac number, because 131342213143443 - 2⁵ = 131342213143411 is a prime.

It is a super-2 number, since 2×131342213143443² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131342213143447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21890368857238 + ... + 21890368857243.

It is an arithmetic number, because the mean of its divisors is an integer number (43780737714482).

Almost surely, 2^{131342213143443} is an apocalyptic number.

131342213143443 is a deficient number, since it is larger than the sum of its proper divisors (43780737714485).

131342213143443 is an equidigital number, since it uses as much as digits as its factorization.

131342213143443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43780737714484.

The product of its digits is 248832, while the sum is 39.

Adding to 131342213143443 its reverse (344341312243131), we get a palindrome (475683525386574).

The spelling of 131342213143443 in words is "one hundred thirty-one trillion, three hundred forty-two billion, two hundred thirteen million, one hundred forty-three thousand, four hundred forty-three".