203103111220134 has 32 divisors (see below), whose sum is σ = 406320511974624. Its totient is φ = 67681991247360.

The previous prime is 203103111220129. The next prime is 203103111220171. The reversal of 203103111220134 is 431022111301302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343119744 + ... + 343711164.

It is an arithmetic number, because the mean of its divisors is an integer number (12697515999207).

Almost surely, 2^{203103111220134} is an apocalyptic number.

203103111220134 is an abundant number, since it is smaller than the sum of its proper divisors (203217400754490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203103111220134 is a wasteful number, since it uses less digits than its factorization.

203103111220134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607432.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 203103111220134 its reverse (431022111301302), we get a palindrome (634125222521436).

The spelling of 203103111220134 in words is "two hundred three trillion, one hundred three billion, one hundred eleven million, two hundred twenty thousand, one hundred thirty-four".