203130020013 has 8 divisors (see below), whose sum is σ = 272002431168. Its totient is φ = 134838811104.

The previous prime is 203130020003. The next prime is 203130020029. The reversal of 203130020013 is 310020031302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 203130020013 - 2⁹ = 203130019501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203130019974 and 203130020001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203130020003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145299745 + ... + 145301142.

It is an arithmetic number, because the mean of its divisors is an integer number (34000303896).

Almost surely, 2^203130020013 is an apocalyptic number.

It is an amenable number.

203130020013 is a deficient number, since it is larger than the sum of its proper divisors (68872411155).

203130020013 is a wasteful number, since it uses less digits than its factorization.

203130020013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290601123.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 203130020013 its reverse (310020031302), we get a palindrome (513150051315).

The spelling of 203130020013 in words is "two hundred three billion, one hundred thirty million, twenty thousand, thirteen".