131031040443143 has 4 divisors (see below), whose sum is σ = 131073847058568. Its totient is φ = 130988233827720.

The previous prime is 131031040443109. The next prime is 131031040443203. The reversal of 131031040443143 is 341344040130131.

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 131031040443143 - 2¹⁶ = 131031040377607 is a prime.

It is a super-2 number, since 2×131031040443143² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131051040443143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21403303121 + ... + 21403309242.

It is an arithmetic number, because the mean of its divisors is an integer number (32768461764642).

Almost surely, 2^{131031040443143} is an apocalyptic number.

131031040443143 is a deficient number, since it is larger than the sum of its proper divisors (42806615425).

131031040443143 is an equidigital number, since it uses as much as digits as its factorization.

131031040443143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42806615424.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 131031040443143 its reverse (341344040130131), we get a palindrome (472375080573274).

The spelling of 131031040443143 in words is "one hundred thirty-one trillion, thirty-one billion, forty million, four hundred forty-three thousand, one hundred forty-three".