331342036 has 24 divisors (see below), whose sum is σ = 622377000. Its totient is φ = 153787392.

The previous prime is 331342027. The next prime is 331342049. The reversal of 331342036 is 630243133.

It can be written as a sum of positive squares in 4 ways, for example, as 119464900 + 211877136 = 10930^2 + 14556^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 331342036.

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 7 ways as a sum of consecutive naturals, for example, 28411 + ... + 38338.

It is an arithmetic number, because the mean of its divisors is an integer number (25932375).

Almost surely, 2^331342036 is an apocalyptic number.

It is an amenable number.

331342036 is a deficient number, since it is larger than the sum of its proper divisors (291034964).

331342036 is a wasteful number, since it uses less digits than its factorization.

331342036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66843 (or 66841 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 331342036 is about 18202.8029709713. The cubic root of 331342036 is about 691.9778273716.

Adding to 331342036 its reverse (630243133), we get a palindrome (961585169).

The spelling of 331342036 in words is "three hundred thirty-one million, three hundred forty-two thousand, thirty-six".