311002313323 has 4 divisors (see below), whose sum is σ = 334925568208. Its totient is φ = 287079058440.

The previous prime is 311002313311. The next prime is 311002313411. The reversal of 311002313323 is 323313200113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323313200113 = 160163 ⋅2018651.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311002313323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311002313294 and 311002313303.

It is not an unprimeable number, because it can be changed into a prime (311002313623) 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 3 ways as a sum of consecutive naturals, for example, 11961627423 + ... + 11961627448.

It is an arithmetic number, because the mean of its divisors is an integer number (83731392052).

Almost surely, 2^311002313323 is an apocalyptic number.

311002313323 is a deficient number, since it is larger than the sum of its proper divisors (23923254885).

311002313323 is a wasteful number, since it uses less digits than its factorization.

311002313323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23923254884.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 311002313323 its reverse (323313200113), we get a palindrome (634315513436).

The spelling of 311002313323 in words is "three hundred eleven billion, two million, three hundred thirteen thousand, three hundred twenty-three".