312322320321 has 48 divisors (see below), whose sum is σ = 482250424320. Its totient is φ = 179163468000.

The previous prime is 312322320293. The next prime is 312322320433. The reversal of 312322320321 is 123023223213.

It is not a de Polignac number, because 312322320321 - 2²⁷ = 312188102593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312322320291 and 312322320300.

It is not an unprimeable number, because it can be changed into a prime (312322320721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7918776 + ... + 7958118.

It is an arithmetic number, because the mean of its divisors is an integer number (10046883840).

Almost surely, 2^312322320321 is an apocalyptic number.

It is an amenable number.

312322320321 is a deficient number, since it is larger than the sum of its proper divisors (169928103999).

312322320321 is a wasteful number, since it uses less digits than its factorization.

312322320321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40538 (or 40527 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 312322320321 its reverse (123023223213), we get a palindrome (435345543534).

The spelling of 312322320321 in words is "three hundred twelve billion, three hundred twenty-two million, three hundred twenty thousand, three hundred twenty-one".