213313223303 has 4 divisors (see below), whose sum is σ = 214725893808. Its totient is φ = 211900552800.

The previous prime is 213313223273. The next prime is 213313223309. The reversal of 213313223303 is 303322313312.

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 213313223303 - 2⁶ = 213313223239 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 (213313223309) 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, 706335026 + ... + 706335327.

It is an arithmetic number, because the mean of its divisors is an integer number (53681473452).

Almost surely, 2^213313223303 is an apocalyptic number.

213313223303 is a deficient number, since it is larger than the sum of its proper divisors (1412670505).

213313223303 is a wasteful number, since it uses less digits than its factorization.

213313223303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412670504.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 213313223303 its reverse (303322313312), we get a palindrome (516635536615).

Subtracting 213313223303 from its reverse (303322313312), we obtain a palindrome (90009090009).

The spelling of 213313223303 in words is "two hundred thirteen billion, three hundred thirteen million, two hundred twenty-three thousand, three hundred three".