131324204543 has 16 divisors (see below), whose sum is σ = 153178521600. Its totient is φ = 112540995000.

The previous prime is 131324204521. The next prime is 131324204551. The reversal of 131324204543 is 345402423131.

It is not a de Polignac number, because 131324204543 - 2⁸ = 131324204287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131324204443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1799618 + ... + 1871168.

It is an arithmetic number, because the mean of its divisors is an integer number (9573657600).

Almost surely, 2^131324204543 is an apocalyptic number.

131324204543 is a deficient number, since it is larger than the sum of its proper divisors (21854317057).

131324204543 is an frugal number, since it uses more digits than its factorization.

131324204543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76923 (or 76909 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 131324204543 its reverse (345402423131), we get a palindrome (476726627674).

The spelling of 131324204543 in words is "one hundred thirty-one billion, three hundred twenty-four million, two hundred four thousand, five hundred forty-three".