13130313130021 has 4 divisors (see below), whose sum is σ = 13130322268672. Its totient is φ = 13130303991372.

The previous prime is 13130313129977. The next prime is 13130313130073. The reversal of 13130313130021 is 12003131303131.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13130313130021 - 2⁹ = 13130313129509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13130313129974 and 13130313130001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130313190021) 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, 1890735 + ... + 5462188.

It is an arithmetic number, because the mean of its divisors is an integer number (3282580567168).

Almost surely, 2^{13130313130021} is an apocalyptic number.

It is an amenable number.

13130313130021 is a deficient number, since it is larger than the sum of its proper divisors (9138651).

13130313130021 is an equidigital number, since it uses as much as digits as its factorization.

13130313130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9138650.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 13130313130021 its reverse (12003131303131), we get a palindrome (25133444433152).

The spelling of 13130313130021 in words is "thirteen trillion, one hundred thirty billion, three hundred thirteen million, one hundred thirty thousand, twenty-one".