313442321314021 has 16 divisors (see below), whose sum is σ = 318590118000000. Its totient is φ = 308330981899776.

The previous prime is 313442321314009. The next prime is 313442321314069. The reversal of 313442321314021 is 120413123244313.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 313442321314021 - 2¹⁹ = 313442320789733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313442321414021) 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 15 ways as a sum of consecutive naturals, for example, 169976370 + ... + 171810508.

It is an arithmetic number, because the mean of its divisors is an integer number (19911882375000).

Almost surely, 2^{313442321314021} is an apocalyptic number.

It is an amenable number.

313442321314021 is a deficient number, since it is larger than the sum of its proper divisors (5147796685979).

313442321314021 is a wasteful number, since it uses less digits than its factorization.

313442321314021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844076.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 313442321314021 its reverse (120413123244313), we get a palindrome (433855444558334).

The spelling of 313442321314021 in words is "three hundred thirteen trillion, four hundred forty-two billion, three hundred twenty-one million, three hundred fourteen thousand, twenty-one".