131969032271 has 2 divisors, whose sum is σ = 131969032272. Its totient is φ = 131969032270.

The previous prime is 131969032259. The next prime is 131969032289. The reversal of 131969032271 is 172230969131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131969032271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131969032201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65984516135 + 65984516136.

It is an arithmetic number, because the mean of its divisors is an integer number (65984516136).

Almost surely, 2^131969032271 is an apocalyptic number.

131969032271 is a deficient number, since it is larger than the sum of its proper divisors (1).

131969032271 is an equidigital number, since it uses as much as digits as its factorization.

131969032271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 44.

The spelling of 131969032271 in words is "one hundred thirty-one billion, nine hundred sixty-nine million, thirty-two thousand, two hundred seventy-one".