313584312616 has 8 divisors (see below), whose sum is σ = 587970586170. Its totient is φ = 156792156304.

The previous prime is 313584312607. The next prime is 313584312647. The reversal of 313584312616 is 616213485313.

It can be written as a sum of positive squares in only one way, i.e., 306196222500 + 7388090116 = 553350^2 + 85954^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×313584312616² (a number of 24 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 19599019531 + ... + 19599019546.

Almost surely, 2^313584312616 is an apocalyptic number.

It is an amenable number.

313584312616 is a deficient number, since it is larger than the sum of its proper divisors (274386273554).

313584312616 is a wasteful number, since it uses less digits than its factorization.

313584312616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39198039083 (or 39198039079 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

Adding to 313584312616 its reverse (616213485313), we get a palindrome (929797797929).

The spelling of 313584312616 in words is "three hundred thirteen billion, five hundred eighty-four million, three hundred twelve thousand, six hundred sixteen".