13531322171 has 2 divisors, whose sum is σ = 13531322172. Its totient is φ = 13531322170.

The previous prime is 13531322111. The next prime is 13531322219. The reversal of 13531322171 is 17122313531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13531322171 - 2⁶ = 13531322107 is a prime.

It is not a weakly prime, because it can be changed into another prime (13531322111) 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, 6765661085 + 6765661086.

It is an arithmetic number, because the mean of its divisors is an integer number (6765661086).

Almost surely, 2^13531322171 is an apocalyptic number.

13531322171 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531322171 is an equidigital number, since it uses as much as digits as its factorization.

13531322171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 29.

The spelling of 13531322171 in words is "thirteen billion, five hundred thirty-one million, three hundred twenty-two thousand, one hundred seventy-one".