340042301 has 4 divisors (see below), whose sum is σ = 340168572. Its totient is φ = 339916032.

The previous prime is 340042273. The next prime is 340042349. The reversal of 340042301 is 103240043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 128368900 + 211673401 = 11330^2 + 14549^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340042301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340042301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340042361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59006 + ... + 64511.

It is an arithmetic number, because the mean of its divisors is an integer number (85042143).

Almost surely, 2^340042301 is an apocalyptic number.

It is an amenable number.

340042301 is a deficient number, since it is larger than the sum of its proper divisors (126271).

340042301 is a wasteful number, since it uses less digits than its factorization.

340042301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126270.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 340042301 is about 18440.2359258226. The cubic root of 340042301 is about 697.9821487048.

Adding to 340042301 its reverse (103240043), we get a palindrome (443282344).

The spelling of 340042301 in words is "three hundred forty million, forty-two thousand, three hundred one".