312320213044 has 12 divisors (see below), whose sum is σ = 624640426144. Its totient is φ = 133851519864.

The previous prime is 312320213041. The next prime is 312320213057. The reversal of 312320213044 is 440312023213.

312320213044 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312320213041) 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, 5577146634 + ... + 5577146689.

Almost surely, 2^312320213044 is an apocalyptic number.

It is an amenable number.

312320213044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312320213044 is a wasteful number, since it uses less digits than its factorization.

312320213044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11154293334 (or 11154293332 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 312320213044 its reverse (440312023213), we get a palindrome (752632236257).

The spelling of 312320213044 in words is "three hundred twelve billion, three hundred twenty million, two hundred thirteen thousand, forty-four".