13123312212311 has 8 divisors (see below), whose sum is σ = 14998093234464. Its totient is φ = 11248536723840.

The previous prime is 13123312212293. The next prime is 13123312212313. The reversal of 13123312212311 is 11321221332131.

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 13123312212311 - 2¹⁸ = 13123311950167 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 (13123312212313) 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, 7509491 + ... + 9090603.

It is an arithmetic number, because the mean of its divisors is an integer number (1874761654308).

Almost surely, 2^{13123312212311} is an apocalyptic number.

13123312212311 is a deficient number, since it is larger than the sum of its proper divisors (1874781022153).

13123312212311 is a wasteful number, since it uses less digits than its factorization.

13123312212311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766841.

The product of its digits is 1296, while the sum is 26.

Adding to 13123312212311 its reverse (11321221332131), we get a palindrome (24444533544442).

The spelling of 13123312212311 in words is "thirteen trillion, one hundred twenty-three billion, three hundred twelve million, two hundred twelve thousand, three hundred eleven".