13213031322311 has 8 divisors (see below), whose sum is σ = 13437948459600. Its totient is φ = 12988146433600.

The previous prime is 13213031322241. The next prime is 13213031322313. The reversal of 13213031322311 is 11322313031231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13213031322311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213031322313) 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, 7235006 + ... + 8875323.

It is an arithmetic number, because the mean of its divisors is an integer number (1679743557450).

Almost surely, 2^{13213031322311} is an apocalyptic number.

13213031322311 is a deficient number, since it is larger than the sum of its proper divisors (224917137289).

13213031322311 is a wasteful number, since it uses less digits than its factorization.

13213031322311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16124289.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 13213031322311 its reverse (11322313031231), we get a palindrome (24535344353542).

The spelling of 13213031322311 in words is "thirteen trillion, two hundred thirteen billion, thirty-one million, three hundred twenty-two thousand, three hundred eleven".