231063871 has 2 divisors, whose sum is σ = 231063872. Its totient is φ = 231063870.

The previous prime is 231063839. The next prime is 231063893. The reversal of 231063871 is 178360132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231063871 - 2⁵ = 231063839 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231063821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115531935 + 115531936.

It is an arithmetic number, because the mean of its divisors is an integer number (115531936).

Almost surely, 2^231063871 is an apocalyptic number.

231063871 is a deficient number, since it is larger than the sum of its proper divisors (1).

231063871 is an equidigital number, since it uses as much as digits as its factorization.

231063871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 231063871 is about 15200.7852099818. The cubic root of 231063871 is about 613.6357898659.

The spelling of 231063871 in words is "two hundred thirty-one million, sixty-three thousand, eight hundred seventy-one".