203104305544231 has 16 divisors (see below), whose sum is σ = 251355604671808. Its totient is φ = 159810078297600.

The previous prime is 203104305544223. The next prime is 203104305544237. The reversal of 203104305544231 is 132445503401302.

It is a cyclic number.

It is not a de Polignac number, because 203104305544231 - 2³ = 203104305544223 is a prime.

It is a super-2 number, since 2×203104305544231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203104305544237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6165495810 + ... + 6165528751.

It is an arithmetic number, because the mean of its divisors is an integer number (15709725291988).

Almost surely, 2^{203104305544231} is an apocalyptic number.

203104305544231 is a deficient number, since it is larger than the sum of its proper divisors (48251299127577).

203104305544231 is a wasteful number, since it uses less digits than its factorization.

203104305544231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12331024762.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 203104305544231 its reverse (132445503401302), we get a palindrome (335549808945533).

The spelling of 203104305544231 in words is "two hundred three trillion, one hundred four billion, three hundred five million, five hundred forty-four thousand, two hundred thirty-one".