33132223013 has 4 divisors (see below), whose sum is σ = 33132809868. Its totient is φ = 33131636160.

The previous prime is 33132222983. The next prime is 33132223057. The reversal of 33132223013 is 31032223133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31032223133 = 2417 ⋅12839149.

It can be written as a sum of positive squares in 2 ways, for example, as 5781017089 + 27351205924 = 76033^2 + 165382^2 .

It is a cyclic number.

It is not a de Polignac number, because 33132223013 - 2²² = 33128028709 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 33132223013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33132223073) 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, 198506 + ... + 325067.

It is an arithmetic number, because the mean of its divisors is an integer number (8283202467).

Almost surely, 2^33132223013 is an apocalyptic number.

It is an amenable number.

33132223013 is a deficient number, since it is larger than the sum of its proper divisors (586855).

33132223013 is an equidigital number, since it uses as much as digits as its factorization.

33132223013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586854.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 33132223013 its reverse (31032223133), we get a palindrome (64164446146).

The spelling of 33132223013 in words is "thirty-three billion, one hundred thirty-two million, two hundred twenty-three thousand, thirteen".