131201321434481 has 2 divisors, whose sum is σ = 131201321434482. Its totient is φ = 131201321434480.

The previous prime is 131201321434397. The next prime is 131201321434499. The reversal of 131201321434481 is 184434123102131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88172851201600 + 43028470232881 = 9390040^2 + 6559609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131201321434481 is a prime.

It is a super-2 number, since 2×131201321434481² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131201321034481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65600660717240 + 65600660717241.

It is an arithmetic number, because the mean of its divisors is an integer number (65600660717241).

Almost surely, 2^{131201321434481} is an apocalyptic number.

It is an amenable number.

131201321434481 is a deficient number, since it is larger than the sum of its proper divisors (1).

131201321434481 is an equidigital number, since it uses as much as digits as its factorization.

131201321434481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 131201321434481 in words is "one hundred thirty-one trillion, two hundred one billion, three hundred twenty-one million, four hundred thirty-four thousand, four hundred eighty-one".