311120212323 has 12 divisors (see below), whose sum is σ = 437809053768. Its totient is φ = 196496975520.

The previous prime is 311120212297. The next prime is 311120212331. The reversal of 311120212323 is 323212021113.

It is not a de Polignac number, because 311120212323 - 2⁶ = 311120212259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 311120212323.

It is not an unprimeable number, because it can be changed into a prime (311120212223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143637058 + ... + 143639223.

It is an arithmetic number, because the mean of its divisors is an integer number (36484087814).

Almost surely, 2^311120212323 is an apocalyptic number.

311120212323 is a deficient number, since it is larger than the sum of its proper divisors (126688841445).

311120212323 is a wasteful number, since it uses less digits than its factorization.

311120212323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287276322 (or 287276303 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 311120212323 its reverse (323212021113), we get a palindrome (634332233436).

The spelling of 311120212323 in words is "three hundred eleven billion, one hundred twenty million, two hundred twelve thousand, three hundred twenty-three".