231468197 has 2 divisors, whose sum is σ = 231468198. Its totient is φ = 231468196.

The previous prime is 231468163. The next prime is 231468229. The reversal of 231468197 is 791864132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231465796 + 2401 = 15214^2 + 49^2 .

It is a cyclic number.

It is not a de Polignac number, because 231468197 - 2⁸ = 231467941 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 (231468157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115734098 + 115734099.

It is an arithmetic number, because the mean of its divisors is an integer number (115734099).

Almost surely, 2^231468197 is an apocalyptic number.

It is an amenable number.

231468197 is a deficient number, since it is larger than the sum of its proper divisors (1).

231468197 is an equidigital number, since it uses as much as digits as its factorization.

231468197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The square root of 231468197 is about 15214.0789073805. The cubic root of 231468197 is about 613.9935038411.

The spelling of 231468197 in words is "two hundred thirty-one million, four hundred sixty-eight thousand, one hundred ninety-seven".