312402400203344 has 40 divisors (see below), whose sum is σ = 683074213621920. Its totient is φ = 137104501654400.

The previous prime is 312402400203323. The next prime is 312402400203463. The reversal of 312402400203344 is 443302004204213.

It is a self number, because there is not a number n which added to its sum of digits gives 312402400203344.

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, 30603678302 + ... + 30603688509.

It is an arithmetic number, because the mean of its divisors is an integer number (17076855340548).

Almost surely, 2^{312402400203344} is an apocalyptic number.

It is an amenable number.

312402400203344 is an abundant number, since it is smaller than the sum of its proper divisors (370671813418576).

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

312402400203344 is a wasteful number, since it uses less digits than its factorization.

312402400203344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61207366859 (or 61207366853 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 312402400203344 its reverse (443302004204213), we get a palindrome (755704404407557).

The spelling of 312402400203344 in words is "three hundred twelve trillion, four hundred two billion, four hundred million, two hundred three thousand, three hundred forty-four".