13130313221 has 8 divisors (see below), whose sum is σ = 13561413888. Its totient is φ = 12699684000.

The previous prime is 13130313199. The next prime is 13130313271. The reversal of 13130313221 is 12231303131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13130313221 - 2²² = 13126118917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13130313193 and 13130313202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130313271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60800 + ... + 173081.

It is an arithmetic number, because the mean of its divisors is an integer number (1695176736).

Almost surely, 2^13130313221 is an apocalyptic number.

It is an amenable number.

13130313221 is a deficient number, since it is larger than the sum of its proper divisors (431100667).

13130313221 is a wasteful number, since it uses less digits than its factorization.

13130313221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235723.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13130313221 its reverse (12231303131), we get a palindrome (25361616352).

The spelling of 13130313221 in words is "thirteen billion, one hundred thirty million, three hundred thirteen thousand, two hundred twenty-one".