131420144551 has 2 divisors, whose sum is σ = 131420144552. Its totient is φ = 131420144550.

The previous prime is 131420144549. The next prime is 131420144633. The reversal of 131420144551 is 155441024131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131420144551 - 2¹ = 131420144549 is a prime.

Together with 131420144549, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131420144951) 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, 65710072275 + 65710072276.

It is an arithmetic number, because the mean of its divisors is an integer number (65710072276).

Almost surely, 2^131420144551 is an apocalyptic number.

131420144551 is a deficient number, since it is larger than the sum of its proper divisors (1).

131420144551 is an equidigital number, since it uses as much as digits as its factorization.

131420144551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 131420144551 its reverse (155441024131), we get a palindrome (286861168682).

The spelling of 131420144551 in words is "one hundred thirty-one billion, four hundred twenty million, one hundred forty-four thousand, five hundred fifty-one".