13031211002321 has 8 divisors (see below), whose sum is σ = 13102262149920. Its totient is φ = 12960335943072.

The previous prime is 13031211002317. The next prime is 13031211002377. The reversal of 13031211002321 is 12320011213031.

It is a happy number.

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 13031211002321 - 2² = 13031211002317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13031211002293 and 13031211002302.

It is not an unprimeable number, because it can be changed into a prime (13031211004321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43873676 + ... + 44169693.

It is an arithmetic number, because the mean of its divisors is an integer number (1637782768740).

Almost surely, 2^{13031211002321} is an apocalyptic number.

It is an amenable number.

13031211002321 is a deficient number, since it is larger than the sum of its proper divisors (71051147599).

13031211002321 is an equidigital number, since it uses as much as digits as its factorization.

13031211002321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88044175.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13031211002321 its reverse (12320011213031), we get a palindrome (25351222215352).

The spelling of 13031211002321 in words is "thirteen trillion, thirty-one billion, two hundred eleven million, two thousand, three hundred twenty-one".