213103000303 has 4 divisors (see below), whose sum is σ = 213104611800. Its totient is φ = 213101388808.

The previous prime is 213103000291. The next prime is 213103000321. The reversal of 213103000303 is 303000301312.

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

It is a cyclic number.

It is not a de Polignac number, because 213103000303 - 2²⁵ = 213069445871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213103000333) 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, 587725 + ... + 878422.

It is an arithmetic number, because the mean of its divisors is an integer number (53276152950).

Almost surely, 2^213103000303 is an apocalyptic number.

213103000303 is a deficient number, since it is larger than the sum of its proper divisors (1611497).

213103000303 is a wasteful number, since it uses less digits than its factorization.

213103000303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611496.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 213103000303 its reverse (303000301312), we get a palindrome (516103301615).

The spelling of 213103000303 in words is "two hundred thirteen billion, one hundred three million, three hundred three", and thus it is an aban number.