2312022309 has 4 divisors (see below), whose sum is σ = 3082696416. Its totient is φ = 1541348204.

The previous prime is 2312022301. The next prime is 2312022311. The reversal of 2312022309 is 9032202132.

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 2312022309 - 2³ = 2312022301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312022301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385337049 + ... + 385337054.

It is an arithmetic number, because the mean of its divisors is an integer number (770674104).

Almost surely, 2^2312022309 is an apocalyptic number.

It is an amenable number.

2312022309 is a deficient number, since it is larger than the sum of its proper divisors (770674107).

2312022309 is an equidigital number, since it uses as much as digits as its factorization.

2312022309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770674106.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 2312022309 is about 48083.4931031430. The cubic root of 2312022309 is about 1322.3020567260.

The spelling of 2312022309 in words is "two billion, three hundred twelve million, twenty-two thousand, three hundred nine".