340305113 has 2 divisors, whose sum is σ = 340305114. Its totient is φ = 340305112.

The previous prime is 340305083. The next prime is 340305137. The reversal of 340305113 is 311503043.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197908624 + 142396489 = 14068^2 + 11933^2 .

It is a cyclic number.

It is not a de Polignac number, because 340305113 - 2¹⁰ = 340304089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (340301113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170152556 + 170152557.

It is an arithmetic number, because the mean of its divisors is an integer number (170152557).

Almost surely, 2^340305113 is an apocalyptic number.

It is an amenable number.

340305113 is a deficient number, since it is larger than the sum of its proper divisors (1).

340305113 is an equidigital number, since it uses as much as digits as its factorization.

340305113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 340305113 is about 18447.3605971152. The cubic root of 340305113 is about 698.1619212857.

Adding to 340305113 its reverse (311503043), we get a palindrome (651808156).

The spelling of 340305113 in words is "three hundred forty million, three hundred five thousand, one hundred thirteen".