2311322999 has 4 divisors (see below), whose sum is σ = 2312435760. Its totient is φ = 2310210240.

The previous prime is 2311322983. The next prime is 2311323023. The reversal of 2311322999 is 9992231132.

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 2311322999 - 2⁴ = 2311322983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311322929) 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, 553259 + ... + 557420.

It is an arithmetic number, because the mean of its divisors is an integer number (578108940).

Almost surely, 2^2311322999 is an apocalyptic number.

2311322999 is a deficient number, since it is larger than the sum of its proper divisors (1112761).

2311322999 is a wasteful number, since it uses less digits than its factorization.

2311322999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112760.

The product of its digits is 52488, while the sum is 41.

The square root of 2311322999 is about 48076.2207229312. The cubic root of 2311322999 is about 1322.1687257898.

The spelling of 2311322999 in words is "two billion, three hundred eleven million, three hundred twenty-two thousand, nine hundred ninety-nine".