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341 = 1131

341 has 4 divisors (see below), whose sum is σ = 384. Its totient is φ = 300.

The previous prime is 337. The next prime is 347. The reversal of 341 is 143.

341 is nontrivially palindromic in base 2, base 4 and base 8.

341 is an esthetic number in base 2, because in such base it adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 143 = 1113.

It is a cyclic number.

It is not a de Polignac number, because 341 - 22 = 337 is a prime.

It is the 10-th Jacobsthal number.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

341 is an undulating number in base 2 and base 8.

It is a Curzon number.

341 is a nontrivial repdigit in base 4.

It is a plaindrome in base 4, base 12, base 15 and base 16.

It is a nialpdrome in base 4 and base 7.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347) by changing a digit.

It is a nontrivial repunit in base 4.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5 + ... + 26.

It is an arithmetic number, because the mean of its divisors is an integer number (96).

It is a Poulet number, since it divides 2340-1.

341 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

341 is the 11-th octagonal number.

It is an amenable number.

341 is a deficient number, since it is larger than the sum of its proper divisors (43).

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

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

The sum of its prime factors is 42.

The product of its digits is 12, while the sum is 8.

The square root of 341 is about 18.4661853126. The cubic root of 341 is about 6.9863680278.

The spelling of 341 in words is "three hundred forty-one", and is thus an aban number and an iban number.

Divisors: 1 11 31 341