13130030321 has 2 divisors, whose sum is σ = 13130030322. Its totient is φ = 13130030320.

The previous prime is 13130030311. The next prime is 13130030323. The reversal of 13130030321 is 12303003131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12158149696 + 971880625 = 110264^2 + 31175^2 .

It is an emirp because it is prime and its reverse (12303003131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13130030321 is a prime.

Together with 13130030323, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13130030321.

It is not a weakly prime, because it can be changed into another prime (13130030323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6565015160 + 6565015161.

It is an arithmetic number, because the mean of its divisors is an integer number (6565015161).

Almost surely, 2^13130030321 is an apocalyptic number.

It is an amenable number.

13130030321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13130030321 is an equidigital number, since it uses as much as digits as its factorization.

13130030321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 13130030321 its reverse (12303003131), we get a palindrome (25433033452).

The spelling of 13130030321 in words is "thirteen billion, one hundred thirty million, thirty thousand, three hundred twenty-one".