312333407449 has 16 divisors (see below), whose sum is σ = 358032254976. Its totient is φ = 266905386000.

The previous prime is 312333407447. The next prime is 312333407461. The reversal of 312333407449 is 944704333213.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 312333407449 - 2¹ = 312333407447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312333407447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4341994 + ... + 4413340.

It is an arithmetic number, because the mean of its divisors is an integer number (22377015936).

Almost surely, 2^312333407449 is an apocalyptic number.

It is an amenable number.

312333407449 is a deficient number, since it is larger than the sum of its proper divisors (45698847527).

312333407449 is a wasteful number, since it uses less digits than its factorization.

312333407449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73236.

The product of its (nonzero) digits is 653184, while the sum is 43.

The spelling of 312333407449 in words is "three hundred twelve billion, three hundred thirty-three million, four hundred seven thousand, four hundred forty-nine".