231301230161 has 2 divisors, whose sum is σ = 231301230162. Its totient is φ = 231301230160.

The previous prime is 231301230131. The next prime is 231301230191. The reversal of 231301230161 is 161032103132.

231301230161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (231301230131) and next prime (231301230191).

It can be written as a sum of positive squares in only one way, i.e., 230634299536 + 666930625 = 480244^2 + 25825^2 .

It is a cyclic number.

It is not a de Polignac number, because 231301230161 - 2¹⁴ = 231301213777 is a prime.

It is not a weakly prime, because it can be changed into another prime (231301230131) 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, 115650615080 + 115650615081.

It is an arithmetic number, because the mean of its divisors is an integer number (115650615081).

Almost surely, 2^231301230161 is an apocalyptic number.

It is an amenable number.

231301230161 is a deficient number, since it is larger than the sum of its proper divisors (1).

231301230161 is an equidigital number, since it uses as much as digits as its factorization.

231301230161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 231301230161 its reverse (161032103132), we get a palindrome (392333333293).

The spelling of 231301230161 in words is "two hundred thirty-one billion, three hundred one million, two hundred thirty thousand, one hundred sixty-one".