203043231113 has 4 divisors (see below), whose sum is σ = 203080295040. Its totient is φ = 203006167188.

The previous prime is 203043231107. The next prime is 203043231191. The reversal of 203043231113 is 311132340302.

203043231113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 203043231113 - 2⁶ = 203043231049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203043231103) 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 in 3 ways as a sum of consecutive naturals, for example, 18523745 + ... + 18534702.

It is an arithmetic number, because the mean of its divisors is an integer number (50770073760).

Almost surely, 2^203043231113 is an apocalyptic number.

It is an amenable number.

203043231113 is a deficient number, since it is larger than the sum of its proper divisors (37063927).

203043231113 is an equidigital number, since it uses as much as digits as its factorization.

203043231113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37063926.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 203043231113 its reverse (311132340302), we get a palindrome (514175571415).

The spelling of 203043231113 in words is "two hundred three billion, forty-three million, two hundred thirty-one thousand, one hundred thirteen".