331121132 has 24 divisors (see below), whose sum is σ = 610948800. Its totient is φ = 156592656.

The previous prime is 331121129. The next prime is 331121143. The reversal of 331121132 is 231121133.

It is a super-2 number, since 2×331121132² = 219282408113922848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331121132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48719 + ... + 55097.

It is an arithmetic number, because the mean of its divisors is an integer number (25456200).

Almost surely, 2^331121132 is an apocalyptic number.

It is an amenable number.

331121132 is a deficient number, since it is larger than the sum of its proper divisors (279827668).

331121132 is a wasteful number, since it uses less digits than its factorization.

331121132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7085 (or 7083 counting only the distinct ones).

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

The square root of 331121132 is about 18196.7341025801. The cubic root of 331121132 is about 691.8240138532.

Adding to 331121132 its reverse (231121133), we get a palindrome (562242265).

Subtracting from 331121132 its reverse (231121133), we obtain a palindrome (99999999).

The spelling of 331121132 in words is "three hundred thirty-one million, one hundred twenty-one thousand, one hundred thirty-two".