33221103313 has 4 divisors (see below), whose sum is σ = 33278679460. Its totient is φ = 33163527168.

The previous prime is 33221103281. The next prime is 33221103329. The reversal of 33221103313 is 31330112233.

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 22265713089 + 10955390224 = 149217^2 + 104668^2 .

It is a cyclic number.

It is not a de Polignac number, because 33221103313 - 2⁵ = 33221103281 is a prime.

It is a super-2 number, since 2×33221103313² (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 (33221103353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28787208 + ... + 28788361.

It is an arithmetic number, because the mean of its divisors is an integer number (8319669865).

Almost surely, 2^33221103313 is an apocalyptic number.

It is an amenable number.

33221103313 is a deficient number, since it is larger than the sum of its proper divisors (57576147).

33221103313 is an equidigital number, since it uses as much as digits as its factorization.

33221103313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57576146.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 33221103313 its reverse (31330112233), we get a palindrome (64551215546).

The spelling of 33221103313 in words is "thirty-three billion, two hundred twenty-one million, one hundred three thousand, three hundred thirteen".