331116508 has 12 divisors (see below), whose sum is σ = 579640320. Its totient is φ = 165504992.

The previous prime is 331116503. The next prime is 331116547. The reversal of 331116508 is 805611133.

It is a super-2 number, since 2×331116508² = 219276283740228128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331116503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2853 + ... + 25891.

It is an arithmetic number, because the mean of its divisors is an integer number (48303360).

Almost surely, 2^331116508 is an apocalyptic number.

It is an amenable number.

331116508 is a deficient number, since it is larger than the sum of its proper divisors (248523812).

331116508 is a wasteful number, since it uses less digits than its factorization.

331116508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26636 (or 26634 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 331116508 is about 18196.6070463699. The cubic root of 331116508 is about 691.8207934717.

The spelling of 331116508 in words is "three hundred thirty-one million, one hundred sixteen thousand, five hundred eight".