331016540 has 24 divisors (see below), whose sum is σ = 695490432. Its totient is φ = 132338880.

The previous prime is 331016519. The next prime is 331016551. The reversal of 331016540 is 45610133.

It is a happy number.

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, 58517 + ... + 63923.

It is an arithmetic number, because the mean of its divisors is an integer number (28978768).

Almost surely, 2^331016540 is an apocalyptic number.

It is an amenable number.

331016540 is an abundant number, since it is smaller than the sum of its proper divisors (364473892).

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

331016540 is a wasteful number, since it uses less digits than its factorization.

331016540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8477 (or 8475 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 331016540 is about 18193.8599532919. The cubic root of 331016540 is about 691.7511634969.

Adding to 331016540 its reverse (45610133), we get a palindrome (376626673).

The spelling of 331016540 in words is "three hundred thirty-one million, sixteen thousand, five hundred forty".