203231101101103 has 16 divisors (see below), whose sum is σ = 207736950009600. Its totient is φ = 198762254536320.

The previous prime is 203231101101079. The next prime is 203231101101107. The reversal of 203231101101103 is 301101101132302.

It is a cyclic number.

It is not a de Polignac number, because 203231101101103 - 2⁵ = 203231101101071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203231101101107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7475950 + ... + 21502372.

It is an arithmetic number, because the mean of its divisors is an integer number (12983559375600).

Almost surely, 2^{203231101101103} is an apocalyptic number.

203231101101103 is a deficient number, since it is larger than the sum of its proper divisors (4505848908497).

203231101101103 is a wasteful number, since it uses less digits than its factorization.

203231101101103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14027742.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 203231101101103 its reverse (301101101132302), we get a palindrome (504332202233405).

The spelling of 203231101101103 in words is "two hundred three trillion, two hundred thirty-one billion, one hundred one million, one hundred one thousand, one hundred three".