312400428344 has 16 divisors (see below), whose sum is σ = 589964839800. Its totient is φ = 155076471072.

The previous prime is 312400428341. The next prime is 312400428391. The reversal of 312400428344 is 443824004213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312400428341) 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 3 ways as a sum of consecutive naturals, for example, 140466707 + ... + 140468930.

Almost surely, 2^312400428344 is an apocalyptic number.

It is an amenable number.

312400428344 is a deficient number, since it is larger than the sum of its proper divisors (277564411456).

312400428344 is a wasteful number, since it uses less digits than its factorization.

312400428344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280935782 (or 280935778 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

The spelling of 312400428344 in words is "three hundred twelve billion, four hundred million, four hundred twenty-eight thousand, three hundred forty-four".