312322111110320 has 20 divisors (see below), whose sum is σ = 726148908331680. Its totient is φ = 124928844444096.

The previous prime is 312322111110299. The next prime is 312322111110323. The reversal of 312322111110320 is 23011111223213.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (312322111110323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1952013194360 + ... + 1952013194519.

It is an arithmetic number, because the mean of its divisors is an integer number (36307445416584).

Almost surely, 2^{312322111110320} is an apocalyptic number.

It is an amenable number.

312322111110320 is an abundant number, since it is smaller than the sum of its proper divisors (413826797221360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312322111110320 is a wasteful number, since it uses less digits than its factorization.

312322111110320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904026388892 (or 3904026388886 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 312322111110320 its reverse (23011111223213), we get a palindrome (335333222333533).

The spelling of 312322111110320 in words is "three hundred twelve trillion, three hundred twenty-two billion, one hundred eleven million, one hundred ten thousand, three hundred twenty".