331604112 has 160 divisors (see below), whose sum is σ = 1041203200. Its totient is φ = 88833024.

The previous prime is 331604107. The next prime is 331604149. The reversal of 331604112 is 211406133.

It is a super-2 number, since 2×331604112² = 219922574190617088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 810564 + ... + 810972.

It is an arithmetic number, because the mean of its divisors is an integer number (6507520).

Almost surely, 2^331604112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331604112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520601600).

331604112 is an abundant number, since it is smaller than the sum of its proper divisors (709599088).

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

331604112 is a wasteful number, since it uses less digits than its factorization.

331604112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 331604112 is about 18210.0003294893. Note that the first 3 decimals coincide. The cubic root of 331604112 is about 692.1602199539.

The spelling of 331604112 in words is "three hundred thirty-one million, six hundred four thousand, one hundred twelve".