313280560 has 40 divisors (see below), whose sum is σ = 740733840. Its totient is φ = 123186432.

The previous prime is 313280557. The next prime is 313280579. The reversal of 313280560 is 65082313.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28467 + ... + 37906.

It is an arithmetic number, because the mean of its divisors is an integer number (18518346).

Almost surely, 2^313280560 is an apocalyptic number.

It is an amenable number.

313280560 is an abundant number, since it is smaller than the sum of its proper divisors (427453280).

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

313280560 is a wasteful number, since it uses less digits than its factorization.

313280560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66445 (or 66439 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 313280560 is about 17699.7333313245. The cubic root of 313280560 is about 679.1689385967.

The spelling of 313280560 in words is "three hundred thirteen million, two hundred eighty thousand, five hundred sixty".