13311213210321 has 24 divisors (see below), whose sum is σ = 19218812642496. Its totient is φ = 8191406583360.

The previous prime is 13311213210287. The next prime is 13311213210331. The reversal of 13311213210321 is 12301231211331.

It is not a de Polignac number, because 13311213210321 - 2¹⁸ = 13311212948177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13311213210291 and 13311213210300.

It is not an unprimeable number, because it can be changed into a prime (13311213210331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55036371 + ... + 55277703.

It is an arithmetic number, because the mean of its divisors is an integer number (800783860104).

Almost surely, 2^{13311213210321} is an apocalyptic number.

It is an amenable number.

13311213210321 is a deficient number, since it is larger than the sum of its proper divisors (5907599432175).

13311213210321 is a wasteful number, since it uses less digits than its factorization.

13311213210321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350153 (or 350140 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 13311213210321 its reverse (12301231211331), we get a palindrome (25612444421652).

The spelling of 13311213210321 in words is "thirteen trillion, three hundred eleven billion, two hundred thirteen million, two hundred ten thousand, three hundred twenty-one".