203775130193 has 2 divisors, whose sum is σ = 203775130194. Its totient is φ = 203775130192.

The previous prime is 203775130177. The next prime is 203775130211. The reversal of 203775130193 is 391031577302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196596465664 + 7178664529 = 443392^2 + 84727^2 .

It is a cyclic number.

It is not a de Polignac number, because 203775130193 - 2⁴ = 203775130177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 203775130193.

It is not a weakly prime, because it can be changed into another prime (203775430193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101887565096 + 101887565097.

It is an arithmetic number, because the mean of its divisors is an integer number (101887565097).

Almost surely, 2^203775130193 is an apocalyptic number.

It is an amenable number.

203775130193 is a deficient number, since it is larger than the sum of its proper divisors (1).

203775130193 is an equidigital number, since it uses as much as digits as its factorization.

203775130193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 119070, while the sum is 41.

The spelling of 203775130193 in words is "two hundred three billion, seven hundred seventy-five million, one hundred thirty thousand, one hundred ninety-three".