311043313323 has 6 divisors (see below), whose sum is σ = 449284785924. Its totient is φ = 207362208876.

The previous prime is 311043313253. The next prime is 311043313351. The reversal of 311043313323 is 323313340113.

311043313323 is a `hidden beast` number, since 3 + 1 + 1 + 0 + 4 + 331 + 3 + 323 = 666.

It is not a de Polignac number, because 311043313323 - 2⁸ = 311043313067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311043313363) 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, 17280184065 + ... + 17280184082.

It is an arithmetic number, because the mean of its divisors is an integer number (74880797654).

Almost surely, 2^311043313323 is an apocalyptic number.

311043313323 is a deficient number, since it is larger than the sum of its proper divisors (138241472601).

311043313323 is a wasteful number, since it uses less digits than its factorization.

311043313323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34560368153 (or 34560368150 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 311043313323 its reverse (323313340113), we get a palindrome (634356653436).

The spelling of 311043313323 in words is "three hundred eleven billion, forty-three million, three hundred thirteen thousand, three hundred twenty-three".