313422020 has 12 divisors (see below), whose sum is σ = 658186284. Its totient is φ = 125368800.

The previous prime is 313421981. The next prime is 313422041. The reversal of 313422020 is 20224313.

It can be written as a sum of positive squares in 2 ways, for example, as 161442436 + 151979584 = 12706^2 + 12328^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 313422020.

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 3 ways as a sum of consecutive naturals, for example, 7835531 + ... + 7835570.

It is an arithmetic number, because the mean of its divisors is an integer number (54848857).

Almost surely, 2^313422020 is an apocalyptic number.

It is an amenable number.

313422020 is an abundant number, since it is smaller than the sum of its proper divisors (344764264).

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

313422020 is a wasteful number, since it uses less digits than its factorization.

313422020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15671110 (or 15671108 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 313422020 is about 17703.7289857250. The cubic root of 313422020 is about 679.2711481316.

Adding to 313422020 its reverse (20224313), we get a palindrome (333646333).

The spelling of 313422020 in words is "three hundred thirteen million, four hundred twenty-two thousand, twenty".