33312232213 has 8 divisors (see below), whose sum is σ = 35891497656. Its totient is φ = 30735364800.

The previous prime is 33312232193. The next prime is 33312232231. The reversal of 33312232213 is 31223221333.

It can be written as a sum of positive squares in 4 ways, for example, as 19459413009 + 13852819204 = 139497^2 + 117698^2 .

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 33312232213 - 2²⁵ = 33278677781 is a prime.

It is a super-2 number, since 2×33312232213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33312232243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570598 + ... + 626263.

It is an arithmetic number, because the mean of its divisors is an integer number (4486437207).

Almost surely, 2^33312232213 is an apocalyptic number.

It is an amenable number.

33312232213 is a deficient number, since it is larger than the sum of its proper divisors (2579265443).

33312232213 is a wasteful number, since it uses less digits than its factorization.

33312232213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199015.

The product of its digits is 3888, while the sum is 25.

Adding to 33312232213 its reverse (31223221333), we get a palindrome (64535453546).

The spelling of 33312232213 in words is "thirty-three billion, three hundred twelve million, two hundred thirty-two thousand, two hundred thirteen".