312344040210402 has 64 divisors (see below), whose sum is σ = 676856978265600. Its totient is φ = 95705738037504.

The previous prime is 312344040210373. The next prime is 312344040210413. The reversal of 312344040210402 is 204012040443213.

It is a self number, because there is not a number n which added to its sum of digits gives 312344040210402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71759349 + ... + 75987447.

It is an arithmetic number, because the mean of its divisors is an integer number (10575890285400).

Almost surely, 2^{312344040210402} is an apocalyptic number.

312344040210402 is an abundant number, since it is smaller than the sum of its proper divisors (364512938055198).

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

312344040210402 is a wasteful number, since it uses less digits than its factorization.

312344040210402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4245007.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 312344040210402 its reverse (204012040443213), we get a palindrome (516356080653615).

The spelling of 312344040210402 in words is "three hundred twelve trillion, three hundred forty-four billion, forty million, two hundred ten thousand, four hundred two".