331300040 has 32 divisors (see below), whose sum is σ = 750375360. Its totient is φ = 131640000.

The previous prime is 331300037. The next prime is 331300043. The reversal of 331300040 is 40003133.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (331300037) and next prime (331300043).

It is a junction number, because it is equal to n+sod(n) for n = 331299988 and 331300024.

It is not an unprimeable number, because it can be changed into a prime (331300043) 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, 21386 + ... + 33465.

It is an arithmetic number, because the mean of its divisors is an integer number (23449230).

Almost surely, 2^331300040 is an apocalyptic number.

It is an amenable number.

331300040 is an abundant number, since it is smaller than the sum of its proper divisors (419075320).

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

331300040 is a wasteful number, since it uses less digits than its factorization.

331300040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55013 (or 55009 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 331300040 is about 18201.6493758121. The cubic root of 331300040 is about 691.9485911891.

Adding to 331300040 its reverse (40003133), we get a palindrome (371303173).

The spelling of 331300040 in words is "three hundred thirty-one million, three hundred thousand, forty".