13331320232311 has 8 divisors (see below), whose sum is σ = 14443783344144. Its totient is φ = 12255331320960.

The previous prime is 13331320232303. The next prime is 13331320232317. The reversal of 13331320232311 is 11323202313331.

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 13331320232311 - 2³ = 13331320232303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13331320232311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331320232317) 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, 9118549360 + ... + 9118550821.

It is an arithmetic number, because the mean of its divisors is an integer number (1805472918018).

Almost surely, 2^{13331320232311} is an apocalyptic number.

13331320232311 is a deficient number, since it is larger than the sum of its proper divisors (1112463111833).

13331320232311 is a wasteful number, since it uses less digits than its factorization.

13331320232311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18237100241.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 13331320232311 its reverse (11323202313331), we get a palindrome (24654522545642).

The spelling of 13331320232311 in words is "thirteen trillion, three hundred thirty-one billion, three hundred twenty million, two hundred thirty-two thousand, three hundred eleven".