131433332543 has 4 divisors (see below), whose sum is σ = 131565162360. Its totient is φ = 131301502728.

The previous prime is 131433332519. The next prime is 131433332557. The reversal of 131433332543 is 345233334131.

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 131433332543 - 2²⁶ = 131366223679 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 (131433232543) 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, 65913413 + ... + 65915406.

It is an arithmetic number, because the mean of its divisors is an integer number (32891290590).

Almost surely, 2^131433332543 is an apocalyptic number.

131433332543 is a deficient number, since it is larger than the sum of its proper divisors (131829817).

131433332543 is an equidigital number, since it uses as much as digits as its factorization.

131433332543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131829816.

The product of its digits is 116640, while the sum is 35.

Adding to 131433332543 its reverse (345233334131), we get a palindrome (476666666674).

The spelling of 131433332543 in words is "one hundred thirty-one billion, four hundred thirty-three million, three hundred thirty-two thousand, five hundred forty-three".