131344433230541 has 2 divisors, whose sum is σ = 131344433230542. Its totient is φ = 131344433230540.

The previous prime is 131344433230531. The next prime is 131344433230559. The reversal of 131344433230541 is 145032334443131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78214125015625 + 53130308214916 = 8843875^2 + 7289054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131344433230541 is a prime.

It is a super-3 number, since 3×131344433230541³ (a number of 43 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131344433230531) 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 as a sum of consecutive naturals, namely, 65672216615270 + 65672216615271.

It is an arithmetic number, because the mean of its divisors is an integer number (65672216615271).

Almost surely, 2^{131344433230541} is an apocalyptic number.

It is an amenable number.

131344433230541 is a deficient number, since it is larger than the sum of its proper divisors (1).

131344433230541 is an equidigital number, since it uses as much as digits as its factorization.

131344433230541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 41.

Adding to 131344433230541 its reverse (145032334443131), we get a palindrome (276376767673672).

The spelling of 131344433230541 in words is "one hundred thirty-one trillion, three hundred forty-four billion, four hundred thirty-three million, two hundred thirty thousand, five hundred forty-one".