13220131033 has 4 divisors (see below), whose sum is σ = 13227168640. Its totient is φ = 13213093428.

The previous prime is 13220130991. The next prime is 13220131037. The reversal of 13220131033 is 33013102231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13220131033 is a prime.

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 13220131033.

It is not an unprimeable number, because it can be changed into a prime (13220131037) 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, 3515985 + ... + 3519742.

It is an arithmetic number, because the mean of its divisors is an integer number (3306792160).

Almost surely, 2^13220131033 is an apocalyptic number.

It is an amenable number.

13220131033 is a deficient number, since it is larger than the sum of its proper divisors (7037607).

13220131033 is an equidigital number, since it uses as much as digits as its factorization.

13220131033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7037606.

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

Adding to 13220131033 its reverse (33013102231), we get a palindrome (46233233264).

The spelling of 13220131033 in words is "thirteen billion, two hundred twenty million, one hundred thirty-one thousand, thirty-three".