13011232033 has 4 divisors (see below), whose sum is σ = 13011496960. Its totient is φ = 13010967108.

The previous prime is 13011232021. The next prime is 13011232057. The reversal of 13011232033 is 33023211031.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33023211031 = 16693 ⋅1978267.

It is a cyclic number.

It is not a de Polignac number, because 13011232033 - 2¹⁷ = 13011100961 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 13011232033.

It is not an unprimeable number, because it can be changed into a prime (13011242033) 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, 34785 + ... + 165022.

It is an arithmetic number, because the mean of its divisors is an integer number (3252874240).

Almost surely, 2^13011232033 is an apocalyptic number.

It is an amenable number.

13011232033 is a deficient number, since it is larger than the sum of its proper divisors (264927).

13011232033 is an equidigital number, since it uses as much as digits as its factorization.

13011232033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264926.

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

Adding to 13011232033 its reverse (33023211031), we get a palindrome (46034443064).

The spelling of 13011232033 in words is "thirteen billion, eleven million, two hundred thirty-two thousand, thirty-three".