340221113 has 2 divisors, whose sum is σ = 340221114. Its totient is φ = 340221112.

The previous prime is 340221097. The next prime is 340221131. The reversal of 340221113 is 311122043.

Together with next prime (340221131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 332223529 + 7997584 = 18227^2 + 2828^2 .

It is a cyclic number.

It is not a de Polignac number, because 340221113 - 2⁴ = 340221097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340221091 and 340221100.

It is not a weakly prime, because it can be changed into another prime (340221173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170110556 + 170110557.

It is an arithmetic number, because the mean of its divisors is an integer number (170110557).

Almost surely, 2^340221113 is an apocalyptic number.

It is an amenable number.

340221113 is a deficient number, since it is larger than the sum of its proper divisors (1).

340221113 is an equidigital number, since it uses as much as digits as its factorization.

340221113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 340221113 is about 18445.0837081321. The cubic root of 340221113 is about 698.1044724208.

Adding to 340221113 its reverse (311122043), we get a palindrome (651343156).

The spelling of 340221113 in words is "three hundred forty million, two hundred twenty-one thousand, one hundred thirteen".