312343004323040 has 48 divisors (see below), whose sum is σ = 738407927739888. Its totient is φ = 124852955375616.

The previous prime is 312343004323039. The next prime is 312343004323123. The reversal of 312343004323040 is 40323400343213.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 312343004322988 and 312343004323006.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 657936617 + ... + 658411176.

It is an arithmetic number, because the mean of its divisors is an integer number (15383498494581).

Almost surely, 2^{312343004323040} is an apocalyptic number.

It is an amenable number.

312343004323040 is an abundant number, since it is smaller than the sum of its proper divisors (426064923416848).

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

312343004323040 is a wasteful number, since it uses less digits than its factorization.

312343004323040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316349291 (or 1316349283 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 312343004323040 its reverse (40323400343213), we get a palindrome (352666404666253).

The spelling of 312343004323040 in words is "three hundred twelve trillion, three hundred forty-three billion, four million, three hundred twenty-three thousand, forty".