131421552032543 has 2 divisors, whose sum is σ = 131421552032544. Its totient is φ = 131421552032542.

The previous prime is 131421552032513. The next prime is 131421552032599. The reversal of 131421552032543 is 345230255124131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131421552032543 - 2⁶ = 131421552032479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131421552032543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131421552032503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65710776016271 + 65710776016272.

It is an arithmetic number, because the mean of its divisors is an integer number (65710776016272).

Almost surely, 2^{131421552032543} is an apocalyptic number.

131421552032543 is a deficient number, since it is larger than the sum of its proper divisors (1).

131421552032543 is an equidigital number, since it uses as much as digits as its factorization.

131421552032543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 131421552032543 in words is "one hundred thirty-one trillion, four hundred twenty-one billion, five hundred fifty-two million, thirty-two thousand, five hundred forty-three".