331765085 has 8 divisors (see below), whose sum is σ = 398242656. Its totient is φ = 265329040.

The previous prime is 331765073. The next prime is 331765121. The reversal of 331765085 is 580567133.

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

It is a de Polignac number, because none of the positive numbers 2^k-331765085 is a prime.

It is a super-2 number, since 2×331765085² = 220136143250114450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11330 + ... + 28140.

It is an arithmetic number, because the mean of its divisors is an integer number (49780332).

Almost surely, 2^331765085 is an apocalyptic number.

It is an amenable number.

331765085 is a deficient number, since it is larger than the sum of its proper divisors (66477571).

331765085 is a wasteful number, since it uses less digits than its factorization.

331765085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20763.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 331765085 is about 18214.4196997873. The cubic root of 331765085 is about 692.2722019619.

The spelling of 331765085 in words is "three hundred thirty-one million, seven hundred sixty-five thousand, eighty-five".