331320030032 has 20 divisors (see below), whose sum is σ = 647613380820. Its totient is φ = 164193996288.

The previous prime is 331320030029. The next prime is 331320030113. The reversal of 331320030032 is 230030023133.

It can be written as a sum of positive squares in 2 ways, for example, as 71297544256 + 260022485776 = 267016^2 + 509924^2 .

It is a junction number, because it is equal to n+sod(n) for n = 331320029986 and 331320030013.

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 3 ways as a sum of consecutive naturals, for example, 91624307 + ... + 91627922.

It is an arithmetic number, because the mean of its divisors is an integer number (32380669041).

Almost surely, 2^331320030032 is an apocalyptic number.

It is an amenable number.

331320030032 is a deficient number, since it is larger than the sum of its proper divisors (316293350788).

331320030032 is a wasteful number, since it uses less digits than its factorization.

331320030032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183252350 (or 183252344 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 331320030032 its reverse (230030023133), we get a palindrome (561350053165).

The spelling of 331320030032 in words is "three hundred thirty-one billion, three hundred twenty million, thirty thousand, thirty-two".