203130042213 has 8 divisors (see below), whose sum is σ = 309531492928. Its totient is φ = 116074309824.

The previous prime is 203130042197. The next prime is 203130042223. The reversal of 203130042213 is 312240031302.

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

It is not a de Polignac number, because 203130042213 - 2⁴ = 203130042197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 9672859153 = 203130042213 / (2 + 0 + 3 + 1 + 3 + 0 + 0 + 4 + 2 + 2 + 1 + 3).

It is a self number, because there is not a number n which added to its sum of digits gives 203130042213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203130042223) 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, 4836429556 + ... + 4836429597.

It is an arithmetic number, because the mean of its divisors is an integer number (38691436616).

Almost surely, 2^203130042213 is an apocalyptic number.

It is an amenable number.

203130042213 is a deficient number, since it is larger than the sum of its proper divisors (106401450715).

203130042213 is an equidigital number, since it uses as much as digits as its factorization.

203130042213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9672859163.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 203130042213 its reverse (312240031302), we get a palindrome (515370073515).

The spelling of 203130042213 in words is "two hundred three billion, one hundred thirty million, forty-two thousand, two hundred thirteen".