203103011312001 has 24 divisors (see below), whose sum is σ = 294489794776320. Its totient is φ = 134885744607456.

The previous prime is 203103011311973. The next prime is 203103011312009. The reversal of 203103011312001 is 100213110301302.

203103011312001 is a `hidden beast` number, since 2 + 0 + 31 + 0 + 301 + 131 + 200 + 1 = 666.

It is not a de Polignac number, because 203103011312001 - 2⁹ = 203103011311489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203103011312009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21321930 + ... + 29339916.

It is an arithmetic number, because the mean of its divisors is an integer number (12270408115680).

Almost surely, 2^{203103011312001} is an apocalyptic number.

It is an amenable number.

203103011312001 is a deficient number, since it is larger than the sum of its proper divisors (91386783464319).

203103011312001 is a wasteful number, since it uses less digits than its factorization.

203103011312001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8028725 (or 8028722 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 203103011312001 its reverse (100213110301302), we get a palindrome (303316121613303).

The spelling of 203103011312001 in words is "two hundred three trillion, one hundred three billion, eleven million, three hundred twelve thousand, one".