203030231113 has 2 divisors, whose sum is σ = 203030231114. Its totient is φ = 203030231112.

The previous prime is 203030231093. The next prime is 203030231231. The reversal of 203030231113 is 311132030302.

203030231113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158760808704 + 44269422409 = 398448^2 + 210403^2 .

It is a cyclic number.

It is not a de Polignac number, because 203030231113 - 2³⁷ = 65591277641 is a prime.

It is not a weakly prime, because it can be changed into another prime (203030238113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101515115556 + 101515115557.

It is an arithmetic number, because the mean of its divisors is an integer number (101515115557).

Almost surely, 2^203030231113 is an apocalyptic number.

It is an amenable number.

203030231113 is a deficient number, since it is larger than the sum of its proper divisors (1).

203030231113 is an equidigital number, since it uses as much as digits as its factorization.

203030231113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 203030231113 its reverse (311132030302), we get a palindrome (514162261415).

The spelling of 203030231113 in words is "two hundred three billion, thirty million, two hundred thirty-one thousand, one hundred thirteen".