320003103312 has 60 divisors (see below), whose sum is σ = 924453422464. Its totient is φ = 103226806080.

The previous prime is 320003103263. The next prime is 320003103317. The reversal of 320003103312 is 213301300023.

320003103312 is a `hidden beast` number, since 3 + 20 + 0 + 0 + 310 + 331 + 2 = 666.

It is a super-2 number, since 2×320003103312² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320003103317) 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 11 ways as a sum of consecutive naturals, for example, 35838178 + ... + 35847105.

Almost surely, 2^320003103312 is an apocalyptic number.

It is an amenable number.

320003103312 is an abundant number, since it is smaller than the sum of its proper divisors (604450319152).

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

320003103312 is a wasteful number, since it uses less digits than its factorization.

320003103312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71685328 (or 71685319 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 320003103312 its reverse (213301300023), we get a palindrome (533304403335).

The spelling of 320003103312 in words is "three hundred twenty billion, three million, one hundred three thousand, three hundred twelve".