12311343343 has 8 divisors (see below), whose sum is σ = 13301005536. Its totient is φ = 11327772000.

The previous prime is 12311343337. The next prime is 12311343371. The reversal of 12311343343 is 34334311321.

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 12311343343 - 2⁵ = 12311343311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311343313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1518508 + ... + 1526593.

It is an arithmetic number, because the mean of its divisors is an integer number (1662625692).

Almost surely, 2^12311343343 is an apocalyptic number.

12311343343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12311343343 is a deficient number, since it is larger than the sum of its proper divisors (989662193).

12311343343 is a wasteful number, since it uses less digits than its factorization.

12311343343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3045425.

The product of its digits is 7776, while the sum is 28.

Adding to 12311343343 its reverse (34334311321), we get a palindrome (46645654664).

The spelling of 12311343343 in words is "twelve billion, three hundred eleven million, three hundred forty-three thousand, three hundred forty-three".