33132320213 has 16 divisors (see below), whose sum is σ = 36019568640. Its totient is φ = 30360452400.

The previous prime is 33132320183. The next prime is 33132320227. The reversal of 33132320213 is 31202323133.

It is a cyclic number.

It is not a de Polignac number, because 33132320213 - 2¹² = 33132316117 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 (33132320513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1230056 + ... + 1256702.

It is an arithmetic number, because the mean of its divisors is an integer number (2251223040).

Almost surely, 2^33132320213 is an apocalyptic number.

It is an amenable number.

33132320213 is a deficient number, since it is larger than the sum of its proper divisors (2887248427).

33132320213 is a wasteful number, since it uses less digits than its factorization.

33132320213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28808.

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

Adding to 33132320213 its reverse (31202323133), we get a palindrome (64334643346).

The spelling of 33132320213 in words is "thirty-three billion, one hundred thirty-two million, three hundred twenty thousand, two hundred thirteen".