131332189049 has 2 divisors, whose sum is σ = 131332189050. Its totient is φ = 131332189048.

The previous prime is 131332189033. The next prime is 131332189081. The reversal of 131332189049 is 940981233131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131302595449 + 29593600 = 362357^2 + 5440^2 .

It is a cyclic number.

It is not a de Polignac number, because 131332189049 - 2⁴ = 131332189033 is a prime.

It is not a weakly prime, because it can be changed into another prime (131332182049) 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 as a sum of consecutive naturals, namely, 65666094524 + 65666094525.

It is an arithmetic number, because the mean of its divisors is an integer number (65666094525).

Almost surely, 2^131332189049 is an apocalyptic number.

It is an amenable number.

131332189049 is a deficient number, since it is larger than the sum of its proper divisors (1).

131332189049 is an equidigital number, since it uses as much as digits as its factorization.

131332189049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 131332189049 in words is "one hundred thirty-one billion, three hundred thirty-two million, one hundred eighty-nine thousand, forty-nine".