231242110171 has 2 divisors, whose sum is σ = 231242110172. Its totient is φ = 231242110170.

The previous prime is 231242110133. The next prime is 231242110213. The reversal of 231242110171 is 171011242132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231242110171 - 2¹⁵ = 231242077403 is a prime.

It is not a weakly prime, because it can be changed into another prime (231242110111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115621055085 + 115621055086.

It is an arithmetic number, because the mean of its divisors is an integer number (115621055086).

Almost surely, 2^231242110171 is an apocalyptic number.

231242110171 is a deficient number, since it is larger than the sum of its proper divisors (1).

231242110171 is an equidigital number, since it uses as much as digits as its factorization.

231242110171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

The spelling of 231242110171 in words is "two hundred thirty-one billion, two hundred forty-two million, one hundred ten thousand, one hundred seventy-one".