32313242161 has 2 divisors, whose sum is σ = 32313242162. Its totient is φ = 32313242160.

The previous prime is 32313242149. The next prime is 32313242209. The reversal of 32313242161 is 16124231323.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29157611536 + 3155630625 = 170756^2 + 56175^2 .

It is a cyclic number.

It is not a de Polignac number, because 32313242161 - 2⁷ = 32313242033 is a prime.

It is not a weakly prime, because it can be changed into another prime (32313242861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16156621080 + 16156621081.

It is an arithmetic number, because the mean of its divisors is an integer number (16156621081).

Almost surely, 2^32313242161 is an apocalyptic number.

It is an amenable number.

32313242161 is a deficient number, since it is larger than the sum of its proper divisors (1).

32313242161 is an equidigital number, since it uses as much as digits as its factorization.

32313242161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

Adding to 32313242161 its reverse (16124231323), we get a palindrome (48437473484).

The spelling of 32313242161 in words is "thirty-two billion, three hundred thirteen million, two hundred forty-two thousand, one hundred sixty-one".