313305420 has 24 divisors (see below), whose sum is σ = 877255344. Its totient is φ = 83548096.

The previous prime is 313305413. The next prime is 313305449. The reversal of 313305420 is 24503313.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2610819 + ... + 2610938.

It is an arithmetic number, because the mean of its divisors is an integer number (36552306).

Almost surely, 2^313305420 is an apocalyptic number.

313305420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313305420 is an abundant number, since it is smaller than the sum of its proper divisors (563949924).

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

313305420 is a wasteful number, since it uses less digits than its factorization.

313305420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5221769 (or 5221767 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 313305420 is about 17700.4355878605. The cubic root of 313305420 is about 679.1869029981.

Adding to 313305420 its reverse (24503313), we get a palindrome (337808733).

The spelling of 313305420 in words is "three hundred thirteen million, three hundred five thousand, four hundred twenty".