312320320002 has 12 divisors (see below), whose sum is σ = 676694026710. Its totient is φ = 104106773328.

The previous prime is 312320319989. The next prime is 312320320009. The reversal of 312320320002 is 200023023213.

It is a happy number.

312320320002 is a `hidden beast` number, since 312 + 32 + 0 + 320 + 0 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 202859259201 + 109461060801 = 450399^2 + 330849^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 17351128889 = 312320320002 / (3 + 1 + 2 + 3 + 2 + 0 + 3 + 2 + 0 + 0 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (312320320009) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 8675564427 + ... + 8675564462.

Almost surely, 2^312320320002 is an apocalyptic number.

312320320002 is an abundant number, since it is smaller than the sum of its proper divisors (364373706708).

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

312320320002 is a wasteful number, since it uses less digits than its factorization.

312320320002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17351128897 (or 17351128894 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 312320320002 its reverse (200023023213), we get a palindrome (512343343215).

The spelling of 312320320002 in words is "three hundred twelve billion, three hundred twenty million, three hundred twenty thousand, two".