320232413 has 16 divisors (see below), whose sum is σ = 341463600. Its totient is φ = 299819520.

The previous prime is 320232401. The next prime is 320232443. The reversal of 320232413 is 314232023.

It can be written as a sum of positive squares in 8 ways, for example, as 466489 + 319765924 = 683^2 + 17882^2 .

It is a cyclic number.

It is not a de Polignac number, because 320232413 - 2⁴ = 320232397 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 (320232443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135623 + ... + 137963.

It is an arithmetic number, because the mean of its divisors is an integer number (21341475).

Almost surely, 2^320232413 is an apocalyptic number.

It is an amenable number.

320232413 is a deficient number, since it is larger than the sum of its proper divisors (21231187).

320232413 is a wasteful number, since it uses less digits than its factorization.

320232413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512.

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

The square root of 320232413 is about 17895.0387817406. The cubic root of 320232413 is about 684.1559305308.

Adding to 320232413 its reverse (314232023), we get a palindrome (634464436).

The spelling of 320232413 in words is "three hundred twenty million, two hundred thirty-two thousand, four hundred thirteen".