311440331414323 has 8 divisors (see below), whose sum is σ = 313820068294656. Its totient is φ = 309060629833800.

The previous prime is 311440331414299. The next prime is 311440331414327. The reversal of 311440331414323 is 323414133044113.

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 311440331414323 - 2⁹ = 311440331413811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311440331414327) 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 7 ways as a sum of consecutive naturals, for example, 9025318 + ... + 26539348.

It is an arithmetic number, because the mean of its divisors is an integer number (39227508536832).

Almost surely, 2^{311440331414323} is an apocalyptic number.

311440331414323 is a deficient number, since it is larger than the sum of its proper divisors (2379736880333).

311440331414323 is a wasteful number, since it uses less digits than its factorization.

311440331414323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17649905.

The product of its (nonzero) digits is 124416, while the sum is 37.

Adding to 311440331414323 its reverse (323414133044113), we get a palindrome (634854464458436).

The spelling of 311440331414323 in words is "three hundred eleven trillion, four hundred forty billion, three hundred thirty-one million, four hundred fourteen thousand, three hundred twenty-three".