331121121032 has 16 divisors (see below), whose sum is σ = 668609956140. Its totient is φ = 152825132736.

The previous prime is 331121120963. The next prime is 331121121053. The reversal of 331121121032 is 230121121133.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 328175453956 + 2945667076 = 572866^2 + 54274^2 .

It is a junction number, because it is equal to n+sod(n) for n = 331121120995 and 331121121013.

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 3 ways as a sum of consecutive naturals, for example, 1591928363 + ... + 1591928570.

Almost surely, 2^331121121032 is an apocalyptic number.

It is an amenable number.

331121121032 is an abundant number, since it is smaller than the sum of its proper divisors (337488835108).

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

331121121032 is a wasteful number, since it uses less digits than its factorization.

331121121032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3183856952 (or 3183856948 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 331121121032 its reverse (230121121133), we get a palindrome (561242242165).

The spelling of 331121121032 in words is "three hundred thirty-one billion, one hundred twenty-one million, one hundred twenty-one thousand, thirty-two".