331321112 has 8 divisors (see below), whose sum is σ = 621227100. Its totient is φ = 165660552.

The previous prime is 331321103. The next prime is 331321117. The reversal of 331321112 is 211123133.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331321117) by changing a digit.

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 as a sum of consecutive naturals, namely, 20707562 + ... + 20707577.

Almost surely, 2^331321112 is an apocalyptic number.

It is an amenable number.

331321112 is a deficient number, since it is larger than the sum of its proper divisors (289905988).

331321112 is a wasteful number, since it uses less digits than its factorization.

331321112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41415145 (or 41415141 counting only the distinct ones).

The product of its digits is 108, while the sum is 17.

The square root of 331321112 is about 18202.2282152488. The cubic root of 331321112 is about 691.9632611054.

Adding to 331321112 its reverse (211123133), we get a palindrome (542444245).

The spelling of 331321112 in words is "three hundred thirty-one million, three hundred twenty-one thousand, one hundred twelve".