13041403321 has 4 divisors (see below), whose sum is σ = 13046518144. Its totient is φ = 13036288500.

The previous prime is 13041403313. The next prime is 13041403343. The reversal of 13041403321 is 12330414031.

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 an emirpimes, since its reverse is a distinct semiprime: 12330414031 = 13 ⋅948493387.

It is a cyclic number.

It is not a de Polignac number, because 13041403321 - 2³ = 13041403313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13041403292 and 13041403301.

It is not an unprimeable number, because it can be changed into a prime (13041403301) 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, 2553585 + ... + 2558686.

It is an arithmetic number, because the mean of its divisors is an integer number (3261629536).

Almost surely, 2^13041403321 is an apocalyptic number.

It is an amenable number.

13041403321 is a deficient number, since it is larger than the sum of its proper divisors (5114823).

13041403321 is an equidigital number, since it uses as much as digits as its factorization.

13041403321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5114822.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13041403321 its reverse (12330414031), we get a palindrome (25371817352).

The spelling of 13041403321 in words is "thirteen billion, forty-one million, four hundred three thousand, three hundred twenty-one".