320342413 has 16 divisors (see below), whose sum is σ = 352713600. Its totient is φ = 289586880.

The previous prime is 320342371. The next prime is 320342431. The reversal of 320342413 is 314243023.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 320342413 - 2¹⁷ = 320211341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320342443) 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 15 ways as a sum of consecutive naturals, for example, 288303 + ... + 289411.

It is an arithmetic number, because the mean of its divisors is an integer number (22044600).

Almost surely, 2^320342413 is an apocalyptic number.

It is an amenable number.

320342413 is a deficient number, since it is larger than the sum of its proper divisors (32371187).

320342413 is a wasteful number, since it uses less digits than its factorization.

320342413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 320342413 is about 17898.1119954033. Note that the first 3 decimals coincide. The cubic root of 320342413 is about 684.2342575354.

Adding to 320342413 its reverse (314243023), we get a palindrome (634585436).

The spelling of 320342413 in words is "three hundred twenty million, three hundred forty-two thousand, four hundred thirteen".