13231331002321 has 8 divisors (see below), whose sum is σ = 13539453459840. Its totient is φ = 12923227503312.

The previous prime is 13231331002247. The next prime is 13231331002339. The reversal of 13231331002321 is 12320013313231.

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

It is a cyclic number.

It is not a de Polignac number, because 13231331002321 - 2²⁵ = 13231297447889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13231331003321) 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, 3322681 + ... + 6123958.

It is an arithmetic number, because the mean of its divisors is an integer number (1692431682480).

Almost surely, 2^{13231331002321} is an apocalyptic number.

It is an amenable number.

13231331002321 is a deficient number, since it is larger than the sum of its proper divisors (308122457519).

13231331002321 is an equidigital number, since it uses as much as digits as its factorization.

13231331002321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9479255.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 13231331002321 its reverse (12320013313231), we get a palindrome (25551344315552).

The spelling of 13231331002321 in words is "thirteen trillion, two hundred thirty-one billion, three hundred thirty-one million, two thousand, three hundred twenty-one".