203122324111297 has 2 divisors, whose sum is σ = 203122324111298. Its totient is φ = 203122324111296.

The previous prime is 203122324111277. The next prime is 203122324111331. The reversal of 203122324111297 is 792111423221302.

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., 172888942828176 + 30233381283121 = 13148724^2 + 5498489^2 .

It is a cyclic number.

It is not a de Polignac number, because 203122324111297 - 2⁷ = 203122324111169 is a prime.

It is not a weakly prime, because it can be changed into another prime (203122324111207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101561162055648 + 101561162055649.

It is an arithmetic number, because the mean of its divisors is an integer number (101561162055649).

Almost surely, 2^{203122324111297} is an apocalyptic number.

It is an amenable number.

203122324111297 is a deficient number, since it is larger than the sum of its proper divisors (1).

203122324111297 is an equidigital number, since it uses as much as digits as its factorization.

203122324111297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

Adding to 203122324111297 its reverse (792111423221302), we get a palindrome (995233747332599).

The spelling of 203122324111297 in words is "two hundred three trillion, one hundred twenty-two billion, three hundred twenty-four million, one hundred eleven thousand, two hundred ninety-seven".