4312300309 has 4 divisors (see below), whose sum is σ = 4428849004. Its totient is φ = 4195751616.

The previous prime is 4312300303. The next prime is 4312300331. The reversal of 4312300309 is 9030032134.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3633437284 + 678863025 = 60278^2 + 26055^2 .

It is a cyclic number.

It is not a de Polignac number, because 4312300309 - 2²³ = 4303911701 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 (4312300303) 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, 58274292 + ... + 58274365.

It is an arithmetic number, because the mean of its divisors is an integer number (1107212251).

Almost surely, 2^4312300309 is an apocalyptic number.

It is an amenable number.

4312300309 is a deficient number, since it is larger than the sum of its proper divisors (116548695).

4312300309 is a wasteful number, since it uses less digits than its factorization.

4312300309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116548694.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 4312300309 is about 65668.1072439278. The cubic root of 4312300309 is about 1627.6823937418.

The spelling of 4312300309 in words is "four billion, three hundred twelve million, three hundred thousand, three hundred nine".