131201443131443 has 2 divisors, whose sum is σ = 131201443131444. Its totient is φ = 131201443131442.

The previous prime is 131201443131391. The next prime is 131201443131449. The reversal of 131201443131443 is 344131344102131.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (344131344102131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131201443131443 - 2¹⁰ = 131201443130419 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (131201443131449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65600721565721 + 65600721565722.

It is an arithmetic number, because the mean of its divisors is an integer number (65600721565722).

Almost surely, 2^{131201443131443} is an apocalyptic number.

131201443131443 is a deficient number, since it is larger than the sum of its proper divisors (1).

131201443131443 is an equidigital number, since it uses as much as digits as its factorization.

131201443131443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 131201443131443 its reverse (344131344102131), we get a palindrome (475332787233574).

The spelling of 131201443131443 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred forty-three million, one hundred thirty-one thousand, four hundred forty-three".