13030201321 has 4 divisors (see below), whose sum is σ = 13059615312. Its totient is φ = 13000787332.

The previous prime is 13030201309. The next prime is 13030201343. The reversal of 13030201321 is 12310203031.

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-13030201321 is a prime.

It is a super-2 number, since 2×13030201321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13030201295 and 13030201304.

It is not an unprimeable number, because it can be changed into a prime (13030201351) 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, 14706331 + ... + 14707216.

It is an arithmetic number, because the mean of its divisors is an integer number (3264903828).

Almost surely, 2^13030201321 is an apocalyptic number.

It is an amenable number.

13030201321 is a deficient number, since it is larger than the sum of its proper divisors (29413991).

13030201321 is an equidigital number, since it uses as much as digits as its factorization.

13030201321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29413990.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13030201321 its reverse (12310203031), we get a palindrome (25340404352).

The spelling of 13030201321 in words is "thirteen billion, thirty million, two hundred one thousand, three hundred twenty-one".