131442342433 has 2 divisors, whose sum is σ = 131442342434. Its totient is φ = 131442342432.

The previous prime is 131442342413. The next prime is 131442342461. The reversal of 131442342433 is 334243244131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75530429584 + 55911912849 = 274828^2 + 236457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131442342433 is a prime.

It is not a weakly prime, because it can be changed into another prime (131442342403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65721171216 + 65721171217.

It is an arithmetic number, because the mean of its divisors is an integer number (65721171217).

Almost surely, 2^131442342433 is an apocalyptic number.

It is an amenable number.

131442342433 is a deficient number, since it is larger than the sum of its proper divisors (1).

131442342433 is an equidigital number, since it uses as much as digits as its factorization.

131442342433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 34.

Adding to 131442342433 its reverse (334243244131), we get a palindrome (465685586564).

The spelling of 131442342433 in words is "one hundred thirty-one billion, four hundred forty-two million, three hundred forty-two thousand, four hundred thirty-three".