13121333304 has 16 divisors (see below), whose sum is σ = 32803333320. Its totient is φ = 4373777760.

The previous prime is 13121333293. The next prime is 13121333321. The reversal of 13121333304 is 40333312131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 546722221 = 13121333304 / (1 + 3 + 1 + 2 + 1 + 3 + 3 + 3 + 3 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273361087 + ... + 273361134.

Almost surely, 2^13121333304 is an apocalyptic number.

It is an amenable number.

13121333304 is an abundant number, since it is smaller than the sum of its proper divisors (19682000016).

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

13121333304 is a wasteful number, since it uses less digits than its factorization.

13121333304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546722230 (or 546722226 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 13121333304 its reverse (40333312131), we get a palindrome (53454645435).

The spelling of 13121333304 in words is "thirteen billion, one hundred twenty-one million, three hundred thirty-three thousand, three hundred four".