340111481 has 2 divisors, whose sum is σ = 340111482. Its totient is φ = 340111480.

The previous prime is 340111477. The next prime is 340111531. The reversal of 340111481 is 184111043.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323424256 + 16687225 = 17984^2 + 4085^2 .

It is an emirp because it is prime and its reverse (184111043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340111481 - 2² = 340111477 is a prime.

It is a super-2 number, since 2×340111481² = 231351639016026722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (340111081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170055740 + 170055741.

It is an arithmetic number, because the mean of its divisors is an integer number (170055741).

Almost surely, 2^340111481 is an apocalyptic number.

It is an amenable number.

340111481 is a deficient number, since it is larger than the sum of its proper divisors (1).

340111481 is an equidigital number, since it uses as much as digits as its factorization.

340111481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 340111481 is about 18442.1116198769. Note that the first 3 decimals coincide. The cubic root of 340111481 is about 698.0294792190.

The spelling of 340111481 in words is "three hundred forty million, one hundred eleven thousand, four hundred eighty-one".