349606331 has 2 divisors, whose sum is σ = 349606332. Its totient is φ = 349606330.

The previous prime is 349606319. The next prime is 349606357. The reversal of 349606331 is 133606943.

It is a weak prime.

It is an emirp because it is prime and its reverse (133606943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349606331 - 2¹⁸ = 349344187 is a prime.

It is a super-2 number, since 2×349606331² = 244449173350563122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 349606291 and 349606300.

It is not a weakly prime, because it can be changed into another prime (349606931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174803165 + 174803166.

It is an arithmetic number, because the mean of its divisors is an integer number (174803166).

Almost surely, 2^349606331 is an apocalyptic number.

349606331 is a deficient number, since it is larger than the sum of its proper divisors (1).

349606331 is an equidigital number, since it uses as much as digits as its factorization.

349606331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 349606331 is about 18697.7627271286. The cubic root of 349606331 is about 704.4655547451.

The spelling of 349606331 in words is "three hundred forty-nine million, six hundred six thousand, three hundred thirty-one".