201233103161 has 2 divisors, whose sum is σ = 201233103162. Its totient is φ = 201233103160.

The previous prime is 201233103091. The next prime is 201233103179. The reversal of 201233103161 is 161301332102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120361118761 + 80871984400 = 346931^2 + 284380^2 .

It is a cyclic number.

It is not a de Polignac number, because 201233103161 - 2¹⁰ = 201233102137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (201233103761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100616551580 + 100616551581.

It is an arithmetic number, because the mean of its divisors is an integer number (100616551581).

Almost surely, 2^201233103161 is an apocalyptic number.

It is an amenable number.

201233103161 is a deficient number, since it is larger than the sum of its proper divisors (1).

201233103161 is an equidigital number, since it uses as much as digits as its factorization.

201233103161 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 201233103161 its reverse (161301332102), we get a palindrome (362534435263).

The spelling of 201233103161 in words is "two hundred one billion, two hundred thirty-three million, one hundred three thousand, one hundred sixty-one".