312333212320321 has 32 divisors (see below), whose sum is σ = 316606591316736. Its totient is φ = 308097108000000.

The previous prime is 312333212320271. The next prime is 312333212320333. The reversal of 312333212320321 is 123023212333213.

It is a cyclic number.

It is not a de Polignac number, because 312333212320321 - 2⁹ = 312333212319809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312333212350321) 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 31 ways as a sum of consecutive naturals, for example, 41242992691 + ... + 41243000263.

It is an arithmetic number, because the mean of its divisors is an integer number (9893955978648).

Almost surely, 2^{312333212320321} is an apocalyptic number.

It is an amenable number.

312333212320321 is a deficient number, since it is larger than the sum of its proper divisors (4273378996415).

312333212320321 is a wasteful number, since it uses less digits than its factorization.

312333212320321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11113.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 312333212320321 its reverse (123023212333213), we get a palindrome (435356424653534).

The spelling of 312333212320321 in words is "three hundred twelve trillion, three hundred thirty-three billion, two hundred twelve million, three hundred twenty thousand, three hundred twenty-one".