203000320002313 has 4 divisors (see below), whose sum is σ = 203045622466068. Its totient is φ = 202955017538560.

The previous prime is 203000320002239. The next prime is 203000320002323. The reversal of 203000320002313 is 313200023000302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 178729011267849 + 24271308734464 = 13368957^2 + 4926592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203000320002313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203000320002323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22651225156 + ... + 22651234117.

It is an arithmetic number, because the mean of its divisors is an integer number (50761405616517).

Almost surely, 2^{203000320002313} is an apocalyptic number.

It is an amenable number.

203000320002313 is a deficient number, since it is larger than the sum of its proper divisors (45302463755).

203000320002313 is an equidigital number, since it uses as much as digits as its factorization.

203000320002313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45302463754.

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

Adding to 203000320002313 its reverse (313200023000302), we get a palindrome (516200343002615).

The spelling of 203000320002313 in words is "two hundred three trillion, three hundred twenty million, two thousand, three hundred thirteen".