312544323639 has 12 divisors (see below), whose sum is σ = 453947129272. Its totient is φ = 207211705200.

The previous prime is 312544323599. The next prime is 312544323647. The reversal of 312544323639 is 936323445213.

It is a happy number.

312544323639 is a `hidden beast` number, since 3 + 1 + 2 + 5 + 4 + 4 + 3 + 2 + 3 + 639 = 666.

It is not a de Polignac number, because 312544323639 - 2⁹ = 312544323127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312544323594 and 312544323603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312544323239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95929717 + ... + 95932974.

Almost surely, 2^312544323639 is an apocalyptic number.

312544323639 is a deficient number, since it is larger than the sum of its proper divisors (141402805633).

312544323639 is a wasteful number, since it uses less digits than its factorization.

312544323639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191862878 (or 191862875 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 45.

The spelling of 312544323639 in words is "three hundred twelve billion, five hundred forty-four million, three hundred twenty-three thousand, six hundred thirty-nine".