4312431720309 has 8 divisors (see below), whose sum is σ = 5905311905440. Its totient is φ = 2797253007696.

The previous prime is 4312431720307. The next prime is 4312431720313. The reversal of 4312431720309 is 9030271342134.

4312431720309 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4312431720309 - 2¹ = 4312431720307 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 (4312431720307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19425367999 + ... + 19425368220.

It is an arithmetic number, because the mean of its divisors is an integer number (738163988180).

Almost surely, 2^{4312431720309} is an apocalyptic number.

It is an amenable number.

4312431720309 is a deficient number, since it is larger than the sum of its proper divisors (1592880185131).

4312431720309 is a wasteful number, since it uses less digits than its factorization.

4312431720309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38850736259.

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 4312431720309 in words is "four trillion, three hundred twelve billion, four hundred thirty-one million, seven hundred twenty thousand, three hundred nine".