203313332031103 has 4 divisors (see below), whose sum is σ = 232358093749840. Its totient is φ = 174268570312368.

The previous prime is 203313332031023. The next prime is 203313332031143. The reversal of 203313332031103 is 301130233313302.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 203313332031103 - 2²¹ = 203313329933951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203313332031143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14522380859358 + ... + 14522380859371.

It is an arithmetic number, because the mean of its divisors is an integer number (58089523437460).

Almost surely, 2^{203313332031103} is an apocalyptic number.

203313332031103 is a deficient number, since it is larger than the sum of its proper divisors (29044761718737).

203313332031103 is an equidigital number, since it uses as much as digits as its factorization.

203313332031103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29044761718736.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 203313332031103 its reverse (301130233313302), we get a palindrome (504443565344405).

The spelling of 203313332031103 in words is "two hundred three trillion, three hundred thirteen billion, three hundred thirty-two million, thirty-one thousand, one hundred three".