311431324201343 has 8 divisors (see below), whose sum is σ = 314197874460288. Its totient is φ = 308664958518784.

The previous prime is 311431324201301. The next prime is 311431324201397. The reversal of 311431324201343 is 343102423134113.

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 311431324201343 - 2¹⁰ = 311431324200319 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 (311431324203343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42753455 + ... + 49504752.

It is an arithmetic number, because the mean of its divisors is an integer number (39274734307536).

Almost surely, 2^{311431324201343} is an apocalyptic number.

311431324201343 is a deficient number, since it is larger than the sum of its proper divisors (2766550258945).

311431324201343 is a wasteful number, since it uses less digits than its factorization.

311431324201343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92288193.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 311431324201343 its reverse (343102423134113), we get a palindrome (654533747335456).

The spelling of 311431324201343 in words is "three hundred eleven trillion, four hundred thirty-one billion, three hundred twenty-four million, two hundred one thousand, three hundred forty-three".