2313122209 has 4 divisors (see below), whose sum is σ = 2313767104. Its totient is φ = 2312477316.

The previous prime is 2313122173. The next prime is 2313122233. The reversal of 2313122209 is 9022213132.

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 2313122209 - 2⁹ = 2313121697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2313120209) 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, 317037 + ... + 324250.

It is an arithmetic number, because the mean of its divisors is an integer number (578441776).

Almost surely, 2^2313122209 is an apocalyptic number.

It is an amenable number.

2313122209 is a deficient number, since it is larger than the sum of its proper divisors (644895).

2313122209 is an equidigital number, since it uses as much as digits as its factorization.

2313122209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644894.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2313122209 is about 48094.9291401911. The cubic root of 2313122209 is about 1322.5117100460.

The spelling of 2313122209 in words is "two billion, three hundred thirteen million, one hundred twenty-two thousand, two hundred nine".