131405245335163 has 2 divisors, whose sum is σ = 131405245335164. Its totient is φ = 131405245335162.

The previous prime is 131405245335079. The next prime is 131405245335187. The reversal of 131405245335163 is 361533542504131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131405245335163 - 2²¹ = 131405243238011 is a prime.

It is not a weakly prime, because it can be changed into another prime (131405245338163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65702622667581 + 65702622667582.

It is an arithmetic number, because the mean of its divisors is an integer number (65702622667582).

Almost surely, 2^{131405245335163} is an apocalyptic number.

131405245335163 is a deficient number, since it is larger than the sum of its proper divisors (1).

131405245335163 is an equidigital number, since it uses as much as digits as its factorization.

131405245335163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944000, while the sum is 46.

Adding to 131405245335163 its reverse (361533542504131), we get a palindrome (492938787839294).

The spelling of 131405245335163 in words is "one hundred thirty-one trillion, four hundred five billion, two hundred forty-five million, three hundred thirty-five thousand, one hundred sixty-three".