33213231011 has 8 divisors (see below), whose sum is σ = 33428156160. Its totient is φ = 32998908168.

The previous prime is 33213230987. The next prime is 33213231013. The reversal of 33213231011 is 11013231233.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33213231011 is a prime.

It is a super-2 number, since 2×33213231011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33213231013) 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, 39671 + ... + 260768.

It is an arithmetic number, because the mean of its divisors is an integer number (4178519520).

Almost surely, 2^33213231011 is an apocalyptic number.

33213231011 is a deficient number, since it is larger than the sum of its proper divisors (214925149).

33213231011 is a wasteful number, since it uses less digits than its factorization.

33213231011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301153.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 33213231011 its reverse (11013231233), we get a palindrome (44226462244).

The spelling of 33213231011 in words is "thirty-three billion, two hundred thirteen million, two hundred thirty-one thousand, eleven".