312032013213320 has 16 divisors (see below), whose sum is σ = 702072029730060. Its totient is φ = 124812805285312.

The previous prime is 312032013213311. The next prime is 312032013213329. The reversal of 312032013213320 is 23312310230213.

It is an interprime number because it is at equal distance from previous prime (312032013213311) and next prime (312032013213329).

It can be written as a sum of positive squares in 2 ways, for example, as 303650629229476 + 8381383983844 = 17425574^2 + 2895062^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 312032013213320.

It is not an unprimeable number, because it can be changed into a prime (312032013213329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3900400165127 + ... + 3900400165206.

Almost surely, 2^{312032013213320} is an apocalyptic number.

It is an amenable number.

312032013213320 is an abundant number, since it is smaller than the sum of its proper divisors (390040016516740).

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

312032013213320 is a wasteful number, since it uses less digits than its factorization.

312032013213320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7800800330344 (or 7800800330340 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 312032013213320 its reverse (23312310230213), we get a palindrome (335344323443533).

The spelling of 312032013213320 in words is "three hundred twelve trillion, thirty-two billion, thirteen million, two hundred thirteen thousand, three hundred twenty".