33220311013 has 8 divisors (see below), whose sum is σ = 34254910368. Its totient is φ = 32200815504.

The previous prime is 33220310941. The next prime is 33220311029. The reversal of 33220311013 is 31011302233.

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-33220311013 is a prime.

It is a super-2 number, since 2×33220311013² (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 (33220311053) 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, 3771495 + ... + 3780292.

It is an arithmetic number, because the mean of its divisors is an integer number (4281863796).

Almost surely, 2^33220311013 is an apocalyptic number.

It is an amenable number.

33220311013 is a deficient number, since it is larger than the sum of its proper divisors (1034599355).

33220311013 is an equidigital number, since it uses as much as digits as its factorization.

33220311013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7551923.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 33220311013 its reverse (31011302233), we get a palindrome (64231613246).

The spelling of 33220311013 in words is "thirty-three billion, two hundred twenty million, three hundred eleven thousand, thirteen".