203391482113 has 2 divisors, whose sum is σ = 203391482114. Its totient is φ = 203391482112.

The previous prime is 203391482101. The next prime is 203391482123. The reversal of 203391482113 is 311284193302.

203391482113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170191726849 + 33199755264 = 412543^2 + 182208^2 .

It is a cyclic number.

It is not a de Polignac number, because 203391482113 - 2¹⁷ = 203391351041 is a prime.

It is a super-2 number, since 2×203391482113² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (203391482123) 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, 101695741056 + 101695741057.

It is an arithmetic number, because the mean of its divisors is an integer number (101695741057).

Almost surely, 2^203391482113 is an apocalyptic number.

It is an amenable number.

203391482113 is a deficient number, since it is larger than the sum of its proper divisors (1).

203391482113 is an equidigital number, since it uses as much as digits as its factorization.

203391482113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 203391482113 in words is "two hundred three billion, three hundred ninety-one million, four hundred eighty-two thousand, one hundred thirteen".