13043020171 has 2 divisors, whose sum is σ = 13043020172. Its totient is φ = 13043020170.

The previous prime is 13043020153. The next prime is 13043020217. The reversal of 13043020171 is 17102034031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13043020171 - 2⁹ = 13043019659 is a prime.

It is a super-2 number, since 2×13043020171² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13043020121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6521510085 + 6521510086.

It is an arithmetic number, because the mean of its divisors is an integer number (6521510086).

Almost surely, 2^13043020171 is an apocalyptic number.

13043020171 is a deficient number, since it is larger than the sum of its proper divisors (1).

13043020171 is an equidigital number, since it uses as much as digits as its factorization.

13043020171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The spelling of 13043020171 in words is "thirteen billion, forty-three million, twenty thousand, one hundred seventy-one".