2312321099 has 4 divisors (see below), whose sum is σ = 2522532120. Its totient is φ = 2102110080.

The previous prime is 2312321027. The next prime is 2312321117. The reversal of 2312321099 is 9901232132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2312321099 - 2¹⁶ = 2312255563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2312320099) 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, 105105494 + ... + 105105515.

It is an arithmetic number, because the mean of its divisors is an integer number (630633030).

Almost surely, 2^2312321099 is an apocalyptic number.

2312321099 is a deficient number, since it is larger than the sum of its proper divisors (210211021).

2312321099 is a wasteful number, since it uses less digits than its factorization.

2312321099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210211020.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 2312321099 is about 48086.5999941772. The cubic root of 2312321099 is about 1322.3590160399.

The spelling of 2312321099 in words is "two billion, three hundred twelve million, three hundred twenty-one thousand, ninety-nine".