331130233044 has 36 divisors (see below), whose sum is σ = 901410080116. Its totient is φ = 101886225408.

The previous prime is 331130233033. The next prime is 331130233061. The reversal of 331130233044 is 440332031133.

331130233044 is a `hidden beast` number, since 3 + 311 + 302 + 3 + 3 + 0 + 44 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 35433544644 + 295696688400 = 188238^2 + 543780^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 331130232999 and 331130233017.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 353771149 + ... + 353772084.

Almost surely, 2^331130233044 is an apocalyptic number.

It is an amenable number.

331130233044 is an abundant number, since it is smaller than the sum of its proper divisors (570279847072).

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

331130233044 is a wasteful number, since it uses less digits than its factorization.

331130233044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707543256 (or 707543251 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 331130233044 its reverse (440332031133), we get a palindrome (771462264177).

The spelling of 331130233044 in words is "three hundred thirty-one billion, one hundred thirty million, two hundred thirty-three thousand, forty-four".