131210123171 has 2 divisors, whose sum is σ = 131210123172. Its totient is φ = 131210123170.

The previous prime is 131210123167. The next prime is 131210123227. The reversal of 131210123171 is 171321012131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131210123171 - 2² = 131210123167 is a prime.

It is not a weakly prime, because it can be changed into another prime (131210123101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65605061585 + 65605061586.

It is an arithmetic number, because the mean of its divisors is an integer number (65605061586).

Almost surely, 2^131210123171 is an apocalyptic number.

131210123171 is a deficient number, since it is larger than the sum of its proper divisors (1).

131210123171 is an equidigital number, since it uses as much as digits as its factorization.

131210123171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 23.

The spelling of 131210123171 in words is "one hundred thirty-one billion, two hundred ten million, one hundred twenty-three thousand, one hundred seventy-one".