320430441 has 4 divisors (see below), whose sum is σ = 427240592. Its totient is φ = 213620292.

The previous prime is 320430437. The next prime is 320430463. The reversal of 320430441 is 144034023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 320430441 - 2² = 320430437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320430401) 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, 53405071 + ... + 53405076.

It is an arithmetic number, because the mean of its divisors is an integer number (106810148).

Almost surely, 2^320430441 is an apocalyptic number.

It is an amenable number.

320430441 is a deficient number, since it is larger than the sum of its proper divisors (106810151).

320430441 is a wasteful number, since it uses less digits than its factorization.

320430441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106810150.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 320430441 is about 17900.5709685473. The cubic root of 320430441 is about 684.2969261617.

Adding to 320430441 its reverse (144034023), we get a palindrome (464464464).

The spelling of 320430441 in words is "three hundred twenty million, four hundred thirty thousand, four hundred forty-one".