43031044130573 has 2 divisors, whose sum is σ = 43031044130574. Its totient is φ = 43031044130572.

The previous prime is 43031044130533. The next prime is 43031044130597. The reversal of 43031044130573 is 37503144013034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24925525547209 + 18105518583364 = 4992547^2 + 4255058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43031044130573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43031044130533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21515522065286 + 21515522065287.

It is an arithmetic number, because the mean of its divisors is an integer number (21515522065287).

Almost surely, 2^{43031044130573} is an apocalyptic number.

It is an amenable number.

43031044130573 is a deficient number, since it is larger than the sum of its proper divisors (1).

43031044130573 is an equidigital number, since it uses as much as digits as its factorization.

43031044130573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 38.

The spelling of 43031044130573 in words is "forty-three trillion, thirty-one billion, forty-four million, one hundred thirty thousand, five hundred seventy-three".