13011033204 has 36 divisors (see below), whose sum is σ = 35418924996. Its totient is φ = 4003394688.

The previous prime is 13011033197. The next prime is 13011033209. The reversal of 13011033204 is 40233011031.

It can be written as a sum of positive squares in 2 ways, for example, as 3357970704 + 9653062500 = 57948^2 + 98250^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13011033209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13900209 + ... + 13901144.

Almost surely, 2^13011033204 is an apocalyptic number.

It is an amenable number.

13011033204 is an abundant number, since it is smaller than the sum of its proper divisors (22407891792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13011033204 is a wasteful number, since it uses less digits than its factorization.

13011033204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27801376 (or 27801371 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13011033204 its reverse (40233011031), we get a palindrome (53244044235).

The spelling of 13011033204 in words is "thirteen billion, eleven million, thirty-three thousand, two hundred four".