131430543 has 16 divisors (see below), whose sum is σ = 188966400. Its totient is φ = 80982720.

The previous prime is 131430529. The next prime is 131430599. The reversal of 131430543 is 345034131.

It is a happy number.

It is not a de Polignac number, because 131430543 - 2⁴ = 131430527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131430643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25783 + ... + 30456.

It is an arithmetic number, because the mean of its divisors is an integer number (11810400).

Almost surely, 2^131430543 is an apocalyptic number.

131430543 is a deficient number, since it is larger than the sum of its proper divisors (57535857).

131430543 is a wasteful number, since it uses less digits than its factorization.

131430543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56302.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 131430543 is about 11464.3160720559. The cubic root of 131430543 is about 508.4310916410.

Adding to 131430543 its reverse (345034131), we get a palindrome (476464674).

The spelling of 131430543 in words is "one hundred thirty-one million, four hundred thirty thousand, five hundred forty-three".