231240114197 has 2 divisors, whose sum is σ = 231240114198. Its totient is φ = 231240114196.

The previous prime is 231240114173. The next prime is 231240114199. The reversal of 231240114197 is 791411042132.

231240114197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210269019601 + 20971094596 = 458551^2 + 144814^2 .

It is a cyclic number.

It is not a de Polignac number, because 231240114197 - 2¹⁴ = 231240097813 is a prime.

Together with 231240114199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231240114199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115620057098 + 115620057099.

It is an arithmetic number, because the mean of its divisors is an integer number (115620057099).

Almost surely, 2^231240114197 is an apocalyptic number.

It is an amenable number.

231240114197 is a deficient number, since it is larger than the sum of its proper divisors (1).

231240114197 is an equidigital number, since it uses as much as digits as its factorization.

231240114197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 231240114197 in words is "two hundred thirty-one billion, two hundred forty million, one hundred fourteen thousand, one hundred ninety-seven".