320031991111000 has 64 divisors (see below), whose sum is σ = 855856981961280. Its totient is φ = 109725254092800.

The previous prime is 320031991110983. The next prime is 320031991111051. The reversal of 320031991111000 is 111199130023.

It is a super-3 number, since 3×320031991111000³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22859420937 + ... + 22859434936.

It is an arithmetic number, because the mean of its divisors is an integer number (13372765343145).

Almost surely, 2^{320031991111000} is an apocalyptic number.

It is an amenable number.

320031991111000 is an abundant number, since it is smaller than the sum of its proper divisors (535824990850280).

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

320031991111000 is a wasteful number, since it uses less digits than its factorization.

320031991111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45718855901 (or 45718855887 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 31.

The spelling of 320031991111000 in words is "three hundred twenty trillion, thirty-one billion, nine hundred ninety-one million, one hundred eleven thousand".