313020209 has 8 divisors (see below), whose sum is σ = 316910880. Its totient is φ = 309138016.

The previous prime is 313020187. The next prime is 313020217. The reversal of 313020209 is 902020313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313020209 - 2¹² = 313016113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313020289) 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 7 ways as a sum of consecutive naturals, for example, 104162 + ... + 107124.

It is an arithmetic number, because the mean of its divisors is an integer number (39613860).

Almost surely, 2^313020209 is an apocalyptic number.

It is an amenable number.

313020209 is a deficient number, since it is larger than the sum of its proper divisors (3890671).

313020209 is a wasteful number, since it uses less digits than its factorization.

313020209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4239.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 313020209 is about 17692.3771438436. The cubic root of 313020209 is about 678.9807459242.

The spelling of 313020209 in words is "three hundred thirteen million, twenty thousand, two hundred nine".