313442643121 has 8 divisors (see below), whose sum is σ = 317259714240. Its totient is φ = 309626540112.

The previous prime is 313442643103. The next prime is 313442643149. The reversal of 313442643121 is 121346244313.

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 313442643121 - 2¹⁷ = 313442512049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313442643181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420420 + ... + 896458.

It is an arithmetic number, because the mean of its divisors is an integer number (39657464280).

Almost surely, 2^313442643121 is an apocalyptic number.

It is an amenable number.

313442643121 is a deficient number, since it is larger than the sum of its proper divisors (3817071119).

313442643121 is an equidigital number, since it uses as much as digits as its factorization.

313442643121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484055.

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

Adding to 313442643121 its reverse (121346244313), we get a palindrome (434788887434).

The spelling of 313442643121 in words is "three hundred thirteen billion, four hundred forty-two million, six hundred forty-three thousand, one hundred twenty-one".