131300123543 has 48 divisors (see below), whose sum is σ = 147411576000. Its totient is φ = 116760956928.

The previous prime is 131300123477. The next prime is 131300123627. The reversal of 131300123543 is 345321003131.

It is not a de Polignac number, because 131300123543 - 2³⁴ = 114120254359 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 (131300123243) 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 47 ways as a sum of consecutive naturals, for example, 76827773 + ... + 76829481.

It is an arithmetic number, because the mean of its divisors is an integer number (3071074500).

Almost surely, 2^131300123543 is an apocalyptic number.

131300123543 is a deficient number, since it is larger than the sum of its proper divisors (16111452457).

131300123543 is a wasteful number, since it uses less digits than its factorization.

131300123543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964 (or 1947 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 131300123543 its reverse (345321003131), we get a palindrome (476621126674).

The spelling of 131300123543 in words is "one hundred thirty-one billion, three hundred million, one hundred twenty-three thousand, five hundred forty-three".