311131323303323 has 12 divisors (see below), whose sum is σ = 316684416074760. Its totient is φ = 305665529846976.

The previous prime is 311131323303271. The next prime is 311131323303413. The reversal of 311131323303323 is 323303323131113.

It is not a de Polignac number, because 311131323303323 - 2⁶ = 311131323303259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 311131323303323.

It is not an unprimeable number, because it can be changed into a prime (311131323303623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124921886 + ... + 127388147.

It is an arithmetic number, because the mean of its divisors is an integer number (26390368006230).

Almost surely, 2^{311131323303323} is an apocalyptic number.

311131323303323 is a deficient number, since it is larger than the sum of its proper divisors (5553092771437).

311131323303323 is an equidigital number, since it uses as much as digits as its factorization.

311131323303323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252310378 (or 252310295 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 32.

Adding to 311131323303323 its reverse (323303323131113), we get a palindrome (634434646434436).

The spelling of 311131323303323 in words is "three hundred eleven trillion, one hundred thirty-one billion, three hundred twenty-three million, three hundred three thousand, three hundred twenty-three".