331009117 has 8 divisors (see below), whose sum is σ = 334098432. Its totient is φ = 327927600.

The previous prime is 331009111. The next prime is 331009121. The reversal of 331009117 is 711900133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 331009117 - 2¹⁹ = 330484829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331009091 and 331009100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331009111) 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, 114267 + ... + 117127.

It is an arithmetic number, because the mean of its divisors is an integer number (41762304).

Almost surely, 2^331009117 is an apocalyptic number.

It is an amenable number.

331009117 is a deficient number, since it is larger than the sum of its proper divisors (3089315).

331009117 is a wasteful number, since it uses less digits than its factorization.

331009117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3899.

The product of its (nonzero) digits is 567, while the sum is 25.

The square root of 331009117 is about 18193.6559547552. The cubic root of 331009117 is about 691.7459926503.

The spelling of 331009117 in words is "three hundred thirty-one million, nine thousand, one hundred seventeen".