320003131200002 has 12 divisors (see below), whose sum is σ = 506597754795606. Its totient is φ = 151580430568080.

The previous prime is 320003131199977. The next prime is 320003131200007. The reversal of 320003131200002 is 200002131300023.

It can be written as a sum of positive squares in only one way, i.e., 313397660647681 + 6605470552321 = 17703041^2 + 2570111^2 .

It is not an unprimeable number, because it can be changed into a prime (320003131200007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 221608815899 + ... + 221608817342.

Almost surely, 2^{320003131200002} is an apocalyptic number.

320003131200002 is a deficient number, since it is larger than the sum of its proper divisors (186594623595604).

320003131200002 is a wasteful number, since it uses less digits than its factorization.

320003131200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443217633281 (or 443217633262 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 320003131200002 its reverse (200002131300023), we get a palindrome (520005262500025).

The spelling of 320003131200002 in words is "three hundred twenty trillion, three billion, one hundred thirty-one million, two hundred thousand, two".