209313113 has 4 divisors (see below), whose sum is σ = 210482640. Its totient is φ = 208143588.

The previous prime is 209313037. The next prime is 209313127. The reversal of 209313113 is 311313902.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 209313113 - 2¹² = 209309017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (209313173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584495 + ... + 584852.

It is an arithmetic number, because the mean of its divisors is an integer number (52620660).

Almost surely, 2^209313113 is an apocalyptic number.

It is an amenable number.

209313113 is a deficient number, since it is larger than the sum of its proper divisors (1169527).

209313113 is a wasteful number, since it uses less digits than its factorization.

209313113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169526.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 209313113 is about 14467.6574814308. The cubic root of 209313113 is about 593.7434234839.

The spelling of 209313113 in words is "two hundred nine million, three hundred thirteen thousand, one hundred thirteen".