213042333303 has 24 divisors (see below), whose sum is σ = 337897214928. Its totient is φ = 133673618304.

The previous prime is 213042333293. The next prime is 213042333331. The reversal of 213042333303 is 303333240312.

It is a happy number.

213042333303 is a `hidden beast` number, since 2 + 1 + 304 + 23 + 3 + 330 + 3 = 666.

It is not a de Polignac number, because 213042333303 - 2⁹ = 213042332791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213042333403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25781676 + ... + 25789937.

It is an arithmetic number, because the mean of its divisors is an integer number (14079050622).

Almost surely, 2^213042333303 is an apocalyptic number.

213042333303 is a deficient number, since it is larger than the sum of its proper divisors (124854881625).

213042333303 is an equidigital number, since it uses as much as digits as its factorization.

213042333303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51571645 (or 51571633 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 27.

Adding to 213042333303 its reverse (303333240312), we get a palindrome (516375573615).

The spelling of 213042333303 in words is "two hundred thirteen billion, forty-two million, three hundred thirty-three thousand, three hundred three".