313320012 has 12 divisors (see below), whose sum is σ = 731080056. Its totient is φ = 104440000.

The previous prime is 313319999. The next prime is 313320023. The reversal of 313320012 is 210023313.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 313319973 and 313320000.

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, 13054989 + ... + 13055012.

It is an arithmetic number, because the mean of its divisors is an integer number (60923338).

Almost surely, 2^313320012 is an apocalyptic number.

It is an amenable number.

313320012 is an abundant number, since it is smaller than the sum of its proper divisors (417760044).

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

313320012 is a wasteful number, since it uses less digits than its factorization.

313320012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26110008 (or 26110006 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 313320012 is about 17700.8477763072. The cubic root of 313320012 is about 679.1974470666.

Adding to 313320012 its reverse (210023313), we get a palindrome (523343325).

The spelling of 313320012 in words is "three hundred thirteen million, three hundred twenty thousand, twelve".