13000002321 has 8 divisors (see below), whose sum is σ = 17469819904. Its totient is φ = 8598426480.

The previous prime is 13000002317. The next prime is 13000002341. The reversal of 13000002321 is 12320000031.

It is a happy number.

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

It is not a de Polignac number, because 13000002321 - 2² = 13000002317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13000002297 and 13000002306.

It is not an unprimeable number, because it can be changed into a prime (13000002311) 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, 17059990 + ... + 17060751.

It is an arithmetic number, because the mean of its divisors is an integer number (2183727488).

Almost surely, 2^13000002321 is an apocalyptic number.

It is an amenable number.

13000002321 is a deficient number, since it is larger than the sum of its proper divisors (4469817583).

13000002321 is a wasteful number, since it uses less digits than its factorization.

13000002321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34120871.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 13000002321 its reverse (12320000031), we get a palindrome (25320002352).

The spelling of 13000002321 in words is "thirteen billion, two thousand, three hundred twenty-one".