203222017345349 has 2 divisors, whose sum is σ = 203222017345350. Its totient is φ = 203222017345348.

The previous prime is 203222017345261. The next prime is 203222017345381. The reversal of 203222017345349 is 943543710222302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188937533157025 + 14284484188324 = 13745455^2 + 3779482^2 .

It is a cyclic number.

It is not a de Polignac number, because 203222017345349 - 2⁸ = 203222017345093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203222017345049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101611008672674 + 101611008672675.

It is an arithmetic number, because the mean of its divisors is an integer number (101611008672675).

Almost surely, 2^{203222017345349} is an apocalyptic number.

It is an amenable number.

203222017345349 is a deficient number, since it is larger than the sum of its proper divisors (1).

203222017345349 is an equidigital number, since it uses as much as digits as its factorization.

203222017345349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 47.

The spelling of 203222017345349 in words is "two hundred three trillion, two hundred twenty-two billion, seventeen million, three hundred forty-five thousand, three hundred forty-nine".