213321203033 has 8 divisors (see below), whose sum is σ = 214119900360. Its totient is φ = 212523297280.

The previous prime is 213321203009. The next prime is 213321203057. The reversal of 213321203033 is 330302123312.

It is an interprime number because it is at equal distance from previous prime (213321203009) and next prime (213321203057).

It can be written as a sum of positive squares in 4 ways, for example, as 13500580864 + 199820622169 = 116192^2 + 447013^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213321203033 - 2²⁰ = 213320154457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213321209033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344873 + ... + 738633.

It is an arithmetic number, because the mean of its divisors is an integer number (26764987545).

Almost surely, 2^213321203033 is an apocalyptic number.

It is an amenable number.

213321203033 is a deficient number, since it is larger than the sum of its proper divisors (798697327).

213321203033 is a wasteful number, since it uses less digits than its factorization.

213321203033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395787.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 213321203033 its reverse (330302123312), we get a palindrome (543623326345).

The spelling of 213321203033 in words is "two hundred thirteen billion, three hundred twenty-one million, two hundred three thousand, thirty-three".