203013102197 has 2 divisors, whose sum is σ = 203013102198. Its totient is φ = 203013102196.

The previous prime is 203013102181. The next prime is 203013102217. The reversal of 203013102197 is 791201310302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120187715761 + 82825386436 = 346681^2 + 287794^2 .

It is a cyclic number.

It is not a de Polignac number, because 203013102197 - 2⁴ = 203013102181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203013102107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101506551098 + 101506551099.

It is an arithmetic number, because the mean of its divisors is an integer number (101506551099).

Almost surely, 2^203013102197 is an apocalyptic number.

It is an amenable number.

203013102197 is a deficient number, since it is larger than the sum of its proper divisors (1).

203013102197 is an equidigital number, since it uses as much as digits as its factorization.

203013102197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

Adding to 203013102197 its reverse (791201310302), we get a palindrome (994214412499).

The spelling of 203013102197 in words is "two hundred three billion, thirteen million, one hundred two thousand, one hundred ninety-seven".