320003031000000 has 196 divisors, whose sum is σ = 1058329820861144. Its totient is φ = 85334140800000.

The previous prime is 320003030999989. The next prime is 320003031000041. The reversal of 320003031000000 is 130300023.

It is a happy number.

It is a super-2 number, since 2×320003031000000² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 320003031000000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 50333839 + ... + 56333838.

Almost surely, 2^{320003031000000} is an apocalyptic number.

320003031000000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320003031000000 is an abundant number, since it is smaller than the sum of its proper divisors (738326789861144).

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

320003031000000 is an frugal number, since it uses more digits than its factorization.

320003031000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106667722 (or 106667687 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 320003031000000 its reverse (130300023), we get a palindrome (320003161300023).

The spelling of 320003031000000 in words is "three hundred twenty trillion, three billion, thirty-one million", and thus it is an aban number.