203332303122313 has 2 divisors, whose sum is σ = 203332303122314. Its totient is φ = 203332303122312.

The previous prime is 203332303122307. The next prime is 203332303122317. The reversal of 203332303122313 is 313221303233302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156242075100489 + 47090228021824 = 12499683^2 + 6862232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203332303122313 is a prime.

It is not a weakly prime, because it can be changed into another prime (203332303122317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101666151561156 + 101666151561157.

It is an arithmetic number, because the mean of its divisors is an integer number (101666151561157).

Almost surely, 2^{203332303122313} is an apocalyptic number.

It is an amenable number.

203332303122313 is a deficient number, since it is larger than the sum of its proper divisors (1).

203332303122313 is an equidigital number, since it uses as much as digits as its factorization.

203332303122313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 31.

Adding to 203332303122313 its reverse (313221303233302), we get a palindrome (516553606355615).

The spelling of 203332303122313 in words is "two hundred three trillion, three hundred thirty-two billion, three hundred three million, one hundred twenty-two thousand, three hundred thirteen".