320032310112 has 72 divisors (see below), whose sum is σ = 911005529616. Its totient is φ = 106570342656.

The previous prime is 320032310063. The next prime is 320032310113. The reversal of 320032310112 is 211013230023.

320032310112 is a `hidden beast` number, since 320 + 0 + 3 + 231 + 0 + 112 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-3 number, since 3×320032310112³ (a number of 35 digits) contains 333 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 (320032310113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 270148 + ... + 844419.

It is an arithmetic number, because the mean of its divisors is an integer number (12652854578).

Almost surely, 2^320032310112 is an apocalyptic number.

320032310112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

320032310112 is an abundant number, since it is smaller than the sum of its proper divisors (590973219504).

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

320032310112 is a wasteful number, since it uses less digits than its factorization.

320032310112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115580 (or 1115569 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 320032310112 its reverse (211013230023), we get a palindrome (531045540135).

The spelling of 320032310112 in words is "three hundred twenty billion, thirty-two million, three hundred ten thousand, one hundred twelve".