340380101 has 2 divisors, whose sum is σ = 340380102. Its totient is φ = 340380100.

The previous prime is 340380071. The next prime is 340380107. The reversal of 340380101 is 101083043.

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., 339112225 + 1267876 = 18415^2 + 1126^2 .

It is a cyclic number.

It is not a de Polignac number, because 340380101 - 2¹⁰ = 340379077 is a prime.

It is a super-2 number, since 2×340380101² = 231717226313540402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340380107) 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, 170190050 + 170190051.

It is an arithmetic number, because the mean of its divisors is an integer number (170190051).

Almost surely, 2^340380101 is an apocalyptic number.

It is an amenable number.

340380101 is a deficient number, since it is larger than the sum of its proper divisors (1).

340380101 is an equidigital number, since it uses as much as digits as its factorization.

340380101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 340380101 is about 18449.3929710438. The cubic root of 340380101 is about 698.2131987219.

The spelling of 340380101 in words is "three hundred forty million, three hundred eighty thousand, one hundred one".