331022112 has 48 divisors (see below), whose sum is σ = 883193472. Its totient is φ = 108529920.

The previous prime is 331022059. The next prime is 331022149. The reversal of 331022112 is 211220133.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 331022091 and 331022100.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22408 + ... + 34119.

It is an arithmetic number, because the mean of its divisors is an integer number (18399864).

Almost surely, 2^331022112 is an apocalyptic number.

331022112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

331022112 is an abundant number, since it is smaller than the sum of its proper divisors (552171360).

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

331022112 is a wasteful number, since it uses less digits than its factorization.

331022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56601 (or 56593 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 331022112 is about 18194.0130812309. The cubic root of 331022112 is about 691.7550448899.

Adding to 331022112 its reverse (211220133), we get a palindrome (542242245).

The spelling of 331022112 in words is "three hundred thirty-one million, twenty-two thousand, one hundred twelve".