320433413 has 4 divisors (see below), whose sum is σ = 320473260. Its totient is φ = 320393568.

The previous prime is 320433353. The next prime is 320433419. The reversal of 320433413 is 314334023.

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 270207844 + 50225569 = 16438^2 + 7087^2 .

It is a cyclic number.

It is not a de Polignac number, because 320433413 - 2¹⁶ = 320367877 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 (320433419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3158 + ... + 25511.

It is an arithmetic number, because the mean of its divisors is an integer number (80118315).

Almost surely, 2^320433413 is an apocalyptic number.

It is an amenable number.

320433413 is a deficient number, since it is larger than the sum of its proper divisors (39847).

320433413 is a wasteful number, since it uses less digits than its factorization.

320433413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39846.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 320433413 is about 17900.6539824667. The cubic root of 320433413 is about 684.2990417786.

Adding to 320433413 its reverse (314334023), we get a palindrome (634767436).

The spelling of 320433413 in words is "three hundred twenty million, four hundred thirty-three thousand, four hundred thirteen".