349331 has 2 divisors, whose sum is σ = 349332. Its totient is φ = 349330.

The previous prime is 349313. The next prime is 349337. The reversal of 349331 is 133943.

Together with previous prime (349313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 349331 - 2¹⁰ = 348307 is a prime.

It is a super-2 number, since 2×349331² = 244064295122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 349297 and 349306.

It is not a weakly prime, because it can be changed into another prime (349337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174665 + 174666.

It is an arithmetic number, because the mean of its divisors is an integer number (174666).

2³⁴⁹³³¹ is an apocalyptic number.

349331 is a deficient number, since it is larger than the sum of its proper divisors (1).

349331 is an equidigital number, since it uses as much as digits as its factorization.

349331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 23.

The square root of 349331 is about 591.0422996707. The cubic root of 349331 is about 70.4280573212.

The spelling of 349331 in words is "three hundred forty-nine thousand, three hundred thirty-one".