331117238 has 8 divisors (see below), whose sum is σ = 496815240. Its totient is φ = 165512160.

The previous prime is 331117229. The next prime is 331117247. The reversal of 331117238 is 832711133.

It is an interprime number because it is at equal distance from previous prime (331117229) and next prime (331117247).

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

It is a self number, because there is not a number n which added to its sum of digits gives 331117238.

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 3 ways as a sum of consecutive naturals, for example, 13508 + ... + 29063.

It is an arithmetic number, because the mean of its divisors is an integer number (62101905).

Almost surely, 2^331117238 is an apocalyptic number.

331117238 is a deficient number, since it is larger than the sum of its proper divisors (165698002).

331117238 is a wasteful number, since it uses less digits than its factorization.

331117238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46462.

The product of its digits is 3024, while the sum is 29.

The square root of 331117238 is about 18196.6271050434. The cubic root of 331117238 is about 691.8213018816.

The spelling of 331117238 in words is "three hundred thirty-one million, one hundred seventeen thousand, two hundred thirty-eight".