33213320122231 has 4 divisors (see below), whose sum is σ = 34023401100864. Its totient is φ = 32403239143600.

The previous prime is 33213320122193. The next prime is 33213320122247. The reversal of 33213320122231 is 13222102331233.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 33213320122231 - 2¹⁵ = 33213320089463 is a prime.

It is a super-2 number, since 2×33213320122231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33213320122231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33213320122531) 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, 405040489255 + ... + 405040489336.

It is an arithmetic number, because the mean of its divisors is an integer number (8505850275216).

Almost surely, 2^{33213320122231} is an apocalyptic number.

33213320122231 is a deficient number, since it is larger than the sum of its proper divisors (810080978633).

33213320122231 is an equidigital number, since it uses as much as digits as its factorization.

33213320122231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810080978632.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 33213320122231 its reverse (13222102331233), we get a palindrome (46435422453464).

The spelling of 33213320122231 in words is "thirty-three trillion, two hundred thirteen billion, three hundred twenty million, one hundred twenty-two thousand, two hundred thirty-one".