203030303113 has 16 divisors (see below), whose sum is σ = 233165721600. Its totient is φ = 174842977680.

The previous prime is 203030303111. The next prime is 203030303131. The reversal of 203030303113 is 311303030302.

It is a cyclic number.

It is not a de Polignac number, because 203030303113 - 2¹ = 203030303111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203030303111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2713320 + ... + 2787142.

It is an arithmetic number, because the mean of its divisors is an integer number (14572857600).

Almost surely, 2^203030303113 is an apocalyptic number.

It is an amenable number.

203030303113 is a deficient number, since it is larger than the sum of its proper divisors (30135418487).

203030303113 is a wasteful number, since it uses less digits than its factorization.

203030303113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87012.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 203030303113 its reverse (311303030302), we get a palindrome (514333333415).

The spelling of 203030303113 in words is "two hundred three billion, thirty million, three hundred three thousand, one hundred thirteen".