13230401321 has 4 divisors (see below), whose sum is σ = 13243234944. Its totient is φ = 13217567700.

The previous prime is 13230401291. The next prime is 13230401333. The reversal of 13230401321 is 12310403231.

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-13230401321 is a prime.

It is a super-2 number, since 2×13230401321² (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 = 13230401293 and 13230401302.

It is not an unprimeable number, because it can be changed into a prime (13230401341) 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, 6415265 + ... + 6417326.

It is an arithmetic number, because the mean of its divisors is an integer number (3310808736).

Almost surely, 2^13230401321 is an apocalyptic number.

It is an amenable number.

13230401321 is a deficient number, since it is larger than the sum of its proper divisors (12833623).

13230401321 is a wasteful number, since it uses less digits than its factorization.

13230401321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12833622.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13230401321 its reverse (12310403231), we get a palindrome (25540804552).

The spelling of 13230401321 in words is "thirteen billion, two hundred thirty million, four hundred one thousand, three hundred twenty-one".