348431 has 2 divisors, whose sum is σ = 348432. Its totient is φ = 348430.

The previous prime is 348421. The next prime is 348433. The reversal of 348431 is 134843.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 348431 - 2⁶ = 348367 is a prime.

It is a super-2 number, since 2×348431² = 242808323522, which contains 22 as substring.

Together with 348433, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 348397 and 348406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174215 + 174216.

It is an arithmetic number, because the mean of its divisors is an integer number (174216).

2³⁴⁸⁴³¹ is an apocalyptic number.

348431 is a deficient number, since it is larger than the sum of its proper divisors (1).

348431 is an equidigital number, since it uses as much as digits as its factorization.

348431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 23.

The square root of 348431 is about 590.2804418241. The cubic root of 348431 is about 70.3675227910.

The spelling of 348431 in words is "three hundred forty-eight thousand, four hundred thirty-one".