311440344302323 has 8 divisors (see below), whose sum is σ = 311561807632416. Its totient is φ = 311318900928000.

The previous prime is 311440344302273. The next prime is 311440344302333. The reversal of 311440344302323 is 323203443044113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311440344302323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311440344302333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26268373 + ... + 36234073.

It is an arithmetic number, because the mean of its divisors is an integer number (38945225954052).

Almost surely, 2^{311440344302323} is an apocalyptic number.

311440344302323 is a deficient number, since it is larger than the sum of its proper divisors (121463330093).

311440344302323 is an equidigital number, since it uses as much as digits as its factorization.

311440344302323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9977885.

The product of its (nonzero) digits is 248832, while the sum is 37.

Adding to 311440344302323 its reverse (323203443044113), we get a palindrome (634643787346436).

The spelling of 311440344302323 in words is "three hundred eleven trillion, four hundred forty billion, three hundred forty-four million, three hundred two thousand, three hundred twenty-three".