210303443010013 has 4 divisors (see below), whose sum is σ = 210303472932988. Its totient is φ = 210303413087040.

The previous prime is 210303443010007. The next prime is 210303443010047. The reversal of 210303443010013 is 310010344303012.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 102398653885284 + 107904789124729 = 10119222^2 + 10387723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210303443010013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210303443010013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210303443010113) 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, 1960693 + ... + 20602213.

It is an arithmetic number, because the mean of its divisors is an integer number (52575868233247).

Almost surely, 2^{210303443010013} is an apocalyptic number.

It is an amenable number.

210303443010013 is a deficient number, since it is larger than the sum of its proper divisors (29922975).

210303443010013 is a wasteful number, since it uses less digits than its factorization.

210303443010013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29922974.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 210303443010013 its reverse (310010344303012), we get a palindrome (520313787313025).

The spelling of 210303443010013 in words is "two hundred ten trillion, three hundred three billion, four hundred forty-three million, ten thousand, thirteen".