131043243443 has 12 divisors (see below), whose sum is σ = 152444768112. Its totient is φ = 112317836400.

The previous prime is 131043243437. The next prime is 131043243451. The reversal of 131043243443 is 344342340131.

It is not a de Polignac number, because 131043243443 - 2⁸ = 131043243187 is a prime.

It is a super-2 number, since 2×131043243443² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131043240443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1463618 + ... + 1550568.

It is an arithmetic number, because the mean of its divisors is an integer number (12703730676).

Almost surely, 2^131043243443 is an apocalyptic number.

131043243443 is a deficient number, since it is larger than the sum of its proper divisors (21401524669).

131043243443 is an equidigital number, since it uses as much as digits as its factorization.

131043243443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117722 (or 117715 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 131043243443 its reverse (344342340131), we get a palindrome (475385583574).

The spelling of 131043243443 in words is "one hundred thirty-one billion, forty-three million, two hundred forty-three thousand, four hundred forty-three".