213033232333 has 4 divisors (see below), whose sum is σ = 214390132060. Its totient is φ = 211676332608.

The previous prime is 213033232273. The next prime is 213033232337. The reversal of 213033232333 is 333232330312.

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

It can be written as a sum of positive squares in 2 ways, for example, as 70890660009 + 142142572324 = 266253^2 + 377018^2 .

It is a cyclic number.

It is not a de Polignac number, because 213033232333 - 2²¹ = 213031135181 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 (213033232337) 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, 678449628 + ... + 678449941.

It is an arithmetic number, because the mean of its divisors is an integer number (53597533015).

Almost surely, 2^213033232333 is an apocalyptic number.

It is an amenable number.

213033232333 is a deficient number, since it is larger than the sum of its proper divisors (1356899727).

213033232333 is a wasteful number, since it uses less digits than its factorization.

213033232333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356899726.

The product of its (nonzero) digits is 17496, while the sum is 28.

Adding to 213033232333 its reverse (333232330312), we get a palindrome (546265562645).

The spelling of 213033232333 in words is "two hundred thirteen billion, thirty-three million, two hundred thirty-two thousand, three hundred thirty-three".