213140444303 has 4 divisors (see below), whose sum is σ = 213167943408. Its totient is φ = 213112945200.

The previous prime is 213140444273. The next prime is 213140444311. The reversal of 213140444303 is 303444041312.

It is a happy number.

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 213140444303 - 2¹⁰ = 213140443279 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 (213140444323) 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, 13737923 + ... + 13753428.

It is an arithmetic number, because the mean of its divisors is an integer number (53291985852).

Almost surely, 2^213140444303 is an apocalyptic number.

213140444303 is a deficient number, since it is larger than the sum of its proper divisors (27499105).

213140444303 is an equidigital number, since it uses as much as digits as its factorization.

213140444303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27499104.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 213140444303 its reverse (303444041312), we get a palindrome (516584485615).

The spelling of 213140444303 in words is "two hundred thirteen billion, one hundred forty million, four hundred forty-four thousand, three hundred three".