203030200103203 has 12 divisors (see below), whose sum is σ = 223183806287904. Its totient is φ = 184557707906000.

The previous prime is 203030200103183. The next prime is 203030200103279. The reversal of 203030200103203 is 302301002030302.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-203030200103203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203030200103803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67621348 + ... + 70559953.

It is an arithmetic number, because the mean of its divisors is an integer number (18598650523992).

Almost surely, 2^{203030200103203} is an apocalyptic number.

203030200103203 is a deficient number, since it is larger than the sum of its proper divisors (20153606184701).

203030200103203 is a wasteful number, since it uses less digits than its factorization.

203030200103203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138193466 (or 138193455 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 203030200103203 its reverse (302301002030302), we get a palindrome (505331202133505).

The spelling of 203030200103203 in words is "two hundred three trillion, thirty billion, two hundred million, one hundred three thousand, two hundred three".