13130331233321 has 4 divisors (see below), whose sum is σ = 13131342906000. Its totient is φ = 13129319560644.

The previous prime is 13130331233291. The next prime is 13130331233401. The reversal of 13130331233321 is 12333213303131.

13130331233321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-13130331233321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13130331233021) 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, 505816871 + ... + 505842828.

It is an arithmetic number, because the mean of its divisors is an integer number (3282835726500).

Almost surely, 2^{13130331233321} is an apocalyptic number.

It is an amenable number.

13130331233321 is a deficient number, since it is larger than the sum of its proper divisors (1011672679).

13130331233321 is a wasteful number, since it uses less digits than its factorization.

13130331233321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011672678.

The product of its (nonzero) digits is 8748, while the sum is 29.

Adding to 13130331233321 its reverse (12333213303131), we get a palindrome (25463544536452).

The spelling of 13130331233321 in words is "thirteen trillion, one hundred thirty billion, three hundred thirty-one million, two hundred thirty-three thousand, three hundred twenty-one".