340020101 has 4 divisors (see below), whose sum is σ = 340058604. Its totient is φ = 339981600.

The previous prime is 340020091. The next prime is 340020103. The reversal of 340020101 is 101020043.

It is a happy number.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 96628900 + 243391201 = 9830^2 + 15601^2 .

It is a cyclic number.

It is not a de Polignac number, because 340020101 - 2¹⁰ = 340019077 is a prime.

It is a super-2 number, since 2×340020101² = 231227338168100402, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340020103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1331 + ... + 26111.

It is an arithmetic number, because the mean of its divisors is an integer number (85014651).

Almost surely, 2^340020101 is an apocalyptic number.

It is an amenable number.

340020101 is a deficient number, since it is larger than the sum of its proper divisors (38503).

340020101 is a wasteful number, since it uses less digits than its factorization.

340020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38502.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 340020101 is about 18439.6339714215. The cubic root of 340020101 is about 697.9669588878.

Adding to 340020101 its reverse (101020043), we get a palindrome (441040144).

The spelling of 340020101 in words is "three hundred forty million, twenty thousand, one hundred one".