313055616 has 64 divisors (see below), whose sum is σ = 837216000. Its totient is φ = 103641600.

The previous prime is 313055537. The next prime is 313055621. The reversal of 313055616 is 616550313.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 55285 + ... + 60683.

It is an arithmetic number, because the mean of its divisors is an integer number (13081500).

Almost surely, 2^313055616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313055616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418608000).

313055616 is an abundant number, since it is smaller than the sum of its proper divisors (524160384).

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

313055616 is a wasteful number, since it uses less digits than its factorization.

313055616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5567 (or 5555 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 313055616 is about 17693.3777442296. The cubic root of 313055616 is about 679.0063457248.

The spelling of 313055616 in words is "three hundred thirteen million, fifty-five thousand, six hundred sixteen".