33221331013 has 8 divisors (see below), whose sum is σ = 36383205600. Its totient is φ = 30146083248.

The previous prime is 33221330981. The next prime is 33221331019. The reversal of 33221331013 is 31013312233.

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 33221331013 - 2⁵ = 33221330981 is a prime.

It is a super-2 number, since 2×33221331013² (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 (33221331019) 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, 21655903 + ... + 21657436.

It is an arithmetic number, because the mean of its divisors is an integer number (4547900700).

Almost surely, 2^33221331013 is an apocalyptic number.

It is an amenable number.

33221331013 is a deficient number, since it is larger than the sum of its proper divisors (3161874587).

33221331013 is a wasteful number, since it uses less digits than its factorization.

33221331013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43313411.

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

Adding to 33221331013 its reverse (31013312233), we get a palindrome (64234643246).

The spelling of 33221331013 in words is "thirty-three billion, two hundred twenty-one million, three hundred thirty-one thousand, thirteen".