33000331213 has 2 divisors, whose sum is σ = 33000331214. Its totient is φ = 33000331212.

The previous prime is 33000331171. The next prime is 33000331223. The reversal of 33000331213 is 31213300033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17424792009 + 15575539204 = 132003^2 + 124802^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33000331213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33000331223) 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 as a sum of consecutive naturals, namely, 16500165606 + 16500165607.

It is an arithmetic number, because the mean of its divisors is an integer number (16500165607).

Almost surely, 2^33000331213 is an apocalyptic number.

It is an amenable number.

33000331213 is a deficient number, since it is larger than the sum of its proper divisors (1).

33000331213 is an equidigital number, since it uses as much as digits as its factorization.

33000331213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 33000331213 its reverse (31213300033), we get a palindrome (64213631246).

The spelling of 33000331213 in words is "thirty-three billion, three hundred thirty-one thousand, two hundred thirteen".