213331333303 has 64 divisors (see below), whose sum is σ = 266716053504. Its totient is φ = 168138432000.

The previous prime is 213331333213. The next prime is 213331333339. The reversal of 213331333303 is 303333133312.

It is not a de Polignac number, because 213331333303 - 2⁹ = 213331332791 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 (213331333363) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28129050 + ... + 28136632.

It is an arithmetic number, because the mean of its divisors is an integer number (4167438336).

Almost surely, 2^213331333303 is an apocalyptic number.

213331333303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

213331333303 is a deficient number, since it is larger than the sum of its proper divisors (53384720201).

213331333303 is a wasteful number, since it uses less digits than its factorization.

213331333303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7876.

The product of its (nonzero) digits is 13122, while the sum is 28.

Adding to 213331333303 its reverse (303333133312), we get a palindrome (516664466615).

Subtracting 213331333303 from its reverse (303333133312), we obtain a square (90001800009 = 300003²).

The spelling of 213331333303 in words is "two hundred thirteen billion, three hundred thirty-one million, three hundred thirty-three thousand, three hundred three".