349163231 has 2 divisors, whose sum is σ = 349163232. Its totient is φ = 349163230.

The previous prime is 349163203. The next prime is 349163267. The reversal of 349163231 is 132361943.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349163231 is a prime.

It is a super-2 number, since 2×349163231² = 243829923764718722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349163281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174581615 + 174581616.

It is an arithmetic number, because the mean of its divisors is an integer number (174581616).

Almost surely, 2^349163231 is an apocalyptic number.

349163231 is a deficient number, since it is larger than the sum of its proper divisors (1).

349163231 is an equidigital number, since it uses as much as digits as its factorization.

349163231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 32.

The square root of 349163231 is about 18685.9099591109. The cubic root of 349163231 is about 704.1678097029.

The spelling of 349163231 in words is "three hundred forty-nine million, one hundred sixty-three thousand, two hundred thirty-one".