231112163 has 2 divisors, whose sum is σ = 231112164. Its totient is φ = 231112162.

The previous prime is 231112159. The next prime is 231112169. The reversal of 231112163 is 361211132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231112163 - 2² = 231112159 is a prime.

It is not a weakly prime, because it can be changed into another prime (231112169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115556081 + 115556082.

It is an arithmetic number, because the mean of its divisors is an integer number (115556082).

Almost surely, 2^231112163 is an apocalyptic number.

231112163 is a deficient number, since it is larger than the sum of its proper divisors (1).

231112163 is an equidigital number, since it uses as much as digits as its factorization.

231112163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 20.

The square root of 231112163 is about 15202.3735975669. The cubic root of 231112163 is about 613.6785365391.

Adding to 231112163 its reverse (361211132), we get a palindrome (592323295).

The spelling of 231112163 in words is "two hundred thirty-one million, one hundred twelve thousand, one hundred sixty-three".