313608009 has 32 divisors (see below), whose sum is σ = 492395904. Its totient is φ = 175034880.

The previous prime is 313607989. The next prime is 313608019. The reversal of 313608009 is 900806313.

It is not a de Polignac number, because 313608009 - 2¹¹ = 313605961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313608019) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 365509 + ... + 366365.

It is an arithmetic number, because the mean of its divisors is an integer number (15387372).

Almost surely, 2^313608009 is an apocalyptic number.

313608009 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

313608009 is a deficient number, since it is larger than the sum of its proper divisors (178787895).

313608009 is a wasteful number, since it uses less digits than its factorization.

313608009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 313608009 is about 17708.9810265865. The cubic root of 313608009 is about 679.4054845552.

The spelling of 313608009 in words is "three hundred thirteen million, six hundred eight thousand, nine".