12311435545313 has 4 divisors (see below), whose sum is σ = 12424384495380. Its totient is φ = 12198486595248.

The previous prime is 12311435545309. The next prime is 12311435545319. The reversal of 12311435545313 is 31354553411321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9559177771264 + 2752257774049 = 3091792^2 + 1658993^2 .

It is a cyclic number.

It is not a de Polignac number, because 12311435545313 - 2² = 12311435545309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12311435545319) 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 3 ways as a sum of consecutive naturals, for example, 56474474870 + ... + 56474475087.

It is an arithmetic number, because the mean of its divisors is an integer number (3106096123845).

Almost surely, 2^{12311435545313} is an apocalyptic number.

It is an amenable number.

12311435545313 is a deficient number, since it is larger than the sum of its proper divisors (112948950067).

12311435545313 is a wasteful number, since it uses less digits than its factorization.

12311435545313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112948950066.

The product of its digits is 324000, while the sum is 41.

Adding to 12311435545313 its reverse (31354553411321), we get a palindrome (43665988956634).

The spelling of 12311435545313 in words is "twelve trillion, three hundred eleven billion, four hundred thirty-five million, five hundred forty-five thousand, three hundred thirteen".