232331320217 has 2 divisors, whose sum is σ = 232331320218. Its totient is φ = 232331320216.

The previous prime is 232331320211. The next prime is 232331320219. The reversal of 232331320217 is 712023133232.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231395633296 + 935686921 = 481036^2 + 30589^2 .

It is a cyclic number.

It is not a de Polignac number, because 232331320217 - 2¹⁰ = 232331319193 is a prime.

Together with 232331320219, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 232331320217.

It is not a weakly prime, because it can be changed into another prime (232331320211) 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, 116165660108 + 116165660109.

It is an arithmetic number, because the mean of its divisors is an integer number (116165660109).

Almost surely, 2^232331320217 is an apocalyptic number.

It is an amenable number.

232331320217 is a deficient number, since it is larger than the sum of its proper divisors (1).

232331320217 is an equidigital number, since it uses as much as digits as its factorization.

232331320217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 29.

Adding to 232331320217 its reverse (712023133232), we get a palindrome (944354453449).

The spelling of 232331320217 in words is "two hundred thirty-two billion, three hundred thirty-one million, three hundred twenty thousand, two hundred seventeen".