312203020242320 has 40 divisors (see below), whose sum is σ = 739567720602936. Its totient is φ = 122524958885888.

The previous prime is 312203020242307. The next prime is 312203020242359. The reversal of 312203020242320 is 23242020302213.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10058945069056 + 302144075173264 = 3171584^2 + 17382292^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 312203020242320.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36816389657 + ... + 36816398136.

Almost surely, 2^{312203020242320} is an apocalyptic number.

It is an amenable number.

312203020242320 is an abundant number, since it is smaller than the sum of its proper divisors (427364700360616).

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

312203020242320 is a wasteful number, since it uses less digits than its factorization.

312203020242320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73632787859 (or 73632787853 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 312203020242320 its reverse (23242020302213), we get a palindrome (335445040544533).

The spelling of 312203020242320 in words is "three hundred twelve trillion, two hundred three billion, twenty million, two hundred forty-two thousand, three hundred twenty".