13013043321 has 8 divisors (see below), whose sum is σ = 17910425344. Its totient is φ = 8395511760.

The previous prime is 13013043311. The next prime is 13013043343. The reversal of 13013043321 is 12334031031.

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

It is not a de Polignac number, because 13013043321 - 2¹³ = 13013035129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13013043311) 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, 69962506 + ... + 69962691.

It is an arithmetic number, because the mean of its divisors is an integer number (2238803168).

Almost surely, 2^13013043321 is an apocalyptic number.

It is an amenable number.

13013043321 is a deficient number, since it is larger than the sum of its proper divisors (4897382023).

13013043321 is a wasteful number, since it uses less digits than its factorization.

13013043321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139925231.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13013043321 its reverse (12334031031), we get a palindrome (25347074352).

The spelling of 13013043321 in words is "thirteen billion, thirteen million, forty-three thousand, three hundred twenty-one".