331242242132 has 24 divisors (see below), whose sum is σ = 588391880832. Its totient is φ = 163134669600.

The previous prime is 331242242131. The next prime is 331242242179. The reversal of 331242242132 is 231242242133.

It is a junction number, because it is equal to n+sod(n) for n = 331242242095 and 331242242104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331242242131) 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 in 7 ways as a sum of consecutive naturals, for example, 246719 + ... + 850502.

It is an arithmetic number, because the mean of its divisors is an integer number (24516328368).

Almost surely, 2^331242242132 is an apocalyptic number.

It is an amenable number.

331242242132 is a deficient number, since it is larger than the sum of its proper divisors (257149638700).

331242242132 is a wasteful number, since it uses less digits than its factorization.

331242242132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098359 (or 1098357 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

Adding to 331242242132 its reverse (231242242133), we get a palindrome (562484484265).

Subtracting from 331242242132 its reverse (231242242133), we obtain a palindrome (99999999999).

The spelling of 331242242132 in words is "three hundred thirty-one billion, two hundred forty-two million, two hundred forty-two thousand, one hundred thirty-two".