33120232322213 has 4 divisors (see below), whose sum is σ = 33663186950508. Its totient is φ = 32577277693920.

The previous prime is 33120232322207. The next prime is 33120232322341. The reversal of 33120232322213 is 31222323202133.

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 3105426377284 + 30014805944929 = 1762222^2 + 5478577^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33120232322213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33120232322113) 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, 271477314056 + ... + 271477314177.

It is an arithmetic number, because the mean of its divisors is an integer number (8415796737627).

Almost surely, 2^{33120232322213} is an apocalyptic number.

It is an amenable number.

33120232322213 is a deficient number, since it is larger than the sum of its proper divisors (542954628295).

33120232322213 is an equidigital number, since it uses as much as digits as its factorization.

33120232322213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542954628294.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 33120232322213 its reverse (31222323202133), we get a palindrome (64342555524346).

The spelling of 33120232322213 in words is "thirty-three trillion, one hundred twenty billion, two hundred thirty-two million, three hundred twenty-two thousand, two hundred thirteen".