311005343323 has 6 divisors (see below), whose sum is σ = 312301234932. Its totient is φ = 309714806880.

The previous prime is 311005343321. The next prime is 311005343393. The reversal of 311005343323 is 323343500113.

It is not a de Polignac number, because 311005343323 - 2¹ = 311005343321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311005343291 and 311005343300.

It is not an unprimeable number, because it can be changed into a prime (311005343321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2619261 + ... + 2735422.

It is an arithmetic number, because the mean of its divisors is an integer number (52050205822).

Almost surely, 2^311005343323 is an apocalyptic number.

311005343323 is a deficient number, since it is larger than the sum of its proper divisors (1295891609).

311005343323 is an frugal number, since it uses more digits than its factorization.

311005343323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5355165 (or 5354924 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 311005343323 its reverse (323343500113), we get a palindrome (634348843436).

The spelling of 311005343323 in words is "three hundred eleven billion, five million, three hundred forty-three thousand, three hundred twenty-three".