313212231320321 has 8 divisors (see below), whose sum is σ = 317652660183744. Its totient is φ = 308772607706640.

The previous prime is 313212231320237. The next prime is 313212231320353. The reversal of 313212231320321 is 123023132212313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313212231320321 - 2³⁰ = 313211157578497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313212231320221) 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 7 ways as a sum of consecutive naturals, for example, 200528975 + ... + 202084868.

It is an arithmetic number, because the mean of its divisors is an integer number (39706582522968).

Almost surely, 2^{313212231320321} is an apocalyptic number.

It is an amenable number.

313212231320321 is a deficient number, since it is larger than the sum of its proper divisors (4440428863423).

313212231320321 is a wasteful number, since it uses less digits than its factorization.

313212231320321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402624871.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 313212231320321 its reverse (123023132212313), we get a palindrome (436235363532634).

The spelling of 313212231320321 in words is "three hundred thirteen trillion, two hundred twelve billion, two hundred thirty-one million, three hundred twenty thousand, three hundred twenty-one".