349165331 has 4 divisors (see below), whose sum is σ = 351389472. Its totient is φ = 346941192.

The previous prime is 349165319. The next prime is 349165339. The reversal of 349165331 is 133561943.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 349165331 - 2¹⁰ = 349164307 is a prime.

It is a super-2 number, since 2×349165331² = 243832856744679122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 349165291 and 349165300.

It is not an unprimeable number, because it can be changed into a prime (349165339) 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 3 ways as a sum of consecutive naturals, for example, 1111835 + ... + 1112148.

It is an arithmetic number, because the mean of its divisors is an integer number (87847368).

Almost surely, 2^349165331 is an apocalyptic number.

349165331 is a deficient number, since it is larger than the sum of its proper divisors (2224141).

349165331 is a wasteful number, since it uses less digits than its factorization.

349165331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224140.

The product of its digits is 29160, while the sum is 35.

The square root of 349165331 is about 18685.9661510985. The cubic root of 349165331 is about 704.1692214108.

The spelling of 349165331 in words is "three hundred forty-nine million, one hundred sixty-five thousand, three hundred thirty-one".