313168840 has 16 divisors (see below), whose sum is σ = 704629980. Its totient is φ = 125267520.

The previous prime is 313168831. The next prime is 313168853. The reversal of 313168840 is 48861313.

It can be written as a sum of positive squares in 2 ways, for example, as 313077636 + 91204 = 17694^2 + 302^2 .

It is a junction number, because it is equal to n+sod(n) for n = 313168796 and 313168805.

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, 3914571 + ... + 3914650.

Almost surely, 2^313168840 is an apocalyptic number.

It is an amenable number.

313168840 is an abundant number, since it is smaller than the sum of its proper divisors (391461140).

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

313168840 is a wasteful number, since it uses less digits than its factorization.

313168840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7829232 (or 7829228 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 313168840 is about 17696.5770701568. The cubic root of 313168840 is about 679.0881954495.

The spelling of 313168840 in words is "three hundred thirteen million, one hundred sixty-eight thousand, eight hundred forty".