313312331302321 has 8 divisors (see below), whose sum is σ = 344592285819264. Its totient is φ = 283057949064720.

The previous prime is 313312331302283. The next prime is 313312331302351. The reversal of 313312331302321 is 123203133213313.

It is a happy number.

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 313312331302321 - 2¹⁹ = 313312330778033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313312331302351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256393069195 + ... + 256393070416.

It is an arithmetic number, because the mean of its divisors is an integer number (43074035727408).

Almost surely, 2^{313312331302321} is an apocalyptic number.

It is an amenable number.

313312331302321 is a deficient number, since it is larger than the sum of its proper divisors (31279954516943).

313312331302321 is a wasteful number, since it uses less digits than its factorization.

313312331302321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512786139671.

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 313312331302321 its reverse (123203133213313), we get a palindrome (436515464515634).

The spelling of 313312331302321 in words is "three hundred thirteen trillion, three hundred twelve billion, three hundred thirty-one million, three hundred two thousand, three hundred twenty-one".