340230413 has 4 divisors (see below), whose sum is σ = 340271868. Its totient is φ = 340188960.

The previous prime is 340230409. The next prime is 340230419. The reversal of 340230413 is 314032043.

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 119202724 + 221027689 = 10918^2 + 14867^2 .

It is a cyclic number.

It is not a de Polignac number, because 340230413 - 2² = 340230409 is a prime.

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 (340230419) 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, 3818 + ... + 26363.

It is an arithmetic number, because the mean of its divisors is an integer number (85067967).

Almost surely, 2^340230413 is an apocalyptic number.

It is an amenable number.

340230413 is a deficient number, since it is larger than the sum of its proper divisors (41455).

340230413 is a wasteful number, since it uses less digits than its factorization.

340230413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41454.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 340230413 is about 18445.3358061056. The cubic root of 340230413 is about 698.1108332963.

Adding to 340230413 its reverse (314032043), we get a palindrome (654262456).

The spelling of 340230413 in words is "three hundred forty million, two hundred thirty thousand, four hundred thirteen".