320103202312 has 128 divisors (see below), whose sum is σ = 671107645440. Its totient is φ = 142455075840.

The previous prime is 320103202303. The next prime is 320103202319. The reversal of 320103202312 is 213202301023.

It is a self number, because there is not a number n which added to its sum of digits gives 320103202312.

It is not an unprimeable number, because it can be changed into a prime (320103202319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35869483 + ... + 35878405.

It is an arithmetic number, because the mean of its divisors is an integer number (5243028480).

Almost surely, 2^320103202312 is an apocalyptic number.

It is an amenable number.

320103202312 is an abundant number, since it is smaller than the sum of its proper divisors (351004443128).

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

320103202312 is a wasteful number, since it uses less digits than its factorization.

320103202312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9171 (or 9167 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 320103202312 its reverse (213202301023), we get a palindrome (533305503335).

The spelling of 320103202312 in words is "three hundred twenty billion, one hundred three million, two hundred two thousand, three hundred twelve".