331440116 has 36 divisors (see below), whose sum is σ = 675783108. Its totient is φ = 141821568.

The previous prime is 331440113. The next prime is 331440121. The reversal of 331440116 is 611044133.

It can be written as a sum of positive squares in 2 ways, for example, as 163737616 + 167702500 = 12796^2 + 12950^2 .

It is a junction number, because it is equal to n+sod(n) for n = 331440091 and 331440100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331440113) 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 11 ways as a sum of consecutive naturals, for example, 201650 + ... + 203286.

It is an arithmetic number, because the mean of its divisors is an integer number (18771753).

Almost surely, 2^331440116 is an apocalyptic number.

It is an amenable number.

331440116 is an abundant number, since it is smaller than the sum of its proper divisors (344342992).

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

331440116 is a wasteful number, since it uses less digits than its factorization.

331440116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688 (or 2679 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 331440116 is about 18205.4968622117. The cubic root of 331440116 is about 692.0460977010.

Adding to 331440116 its reverse (611044133), we get a palindrome (942484249).

The spelling of 331440116 in words is "three hundred thirty-one million, four hundred forty thousand, one hundred sixteen".