313821348 has 12 divisors (see below), whose sum is σ = 732249840. Its totient is φ = 104607112.

The previous prime is 313821341. The next prime is 313821449. The reversal of 313821348 is 843128313.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (313821341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13075878 + ... + 13075901.

It is an arithmetic number, because the mean of its divisors is an integer number (61020820).

Almost surely, 2^313821348 is an apocalyptic number.

It is an amenable number.

313821348 is an abundant number, since it is smaller than the sum of its proper divisors (418428492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313821348 is a wasteful number, since it uses less digits than its factorization.

313821348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26151786 (or 26151784 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 313821348 is about 17715.0034716339. The cubic root of 313821348 is about 679.5595099923.

The spelling of 313821348 in words is "three hundred thirteen million, eight hundred twenty-one thousand, three hundred forty-eight".