320530105 has 8 divisors (see below), whose sum is σ = 439584192. Its totient is φ = 219792048.

The previous prime is 320530099. The next prime is 320530117. The reversal of 320530105 is 501035023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 320530105 - 2⁷ = 320529977 is a prime.

It is a super-2 number, since 2×320530105² = 205479096422622050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4578967 + ... + 4579036.

It is an arithmetic number, because the mean of its divisors is an integer number (54948024).

Almost surely, 2^320530105 is an apocalyptic number.

320530105 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

320530105 is a deficient number, since it is larger than the sum of its proper divisors (119054087).

320530105 is an equidigital number, since it uses as much as digits as its factorization.

320530105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9158015.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 320530105 is about 17903.3545739339. The cubic root of 320530105 is about 684.3678648019.

Adding to 320530105 its reverse (501035023), we get a palindrome (821565128).

The spelling of 320530105 in words is "three hundred twenty million, five hundred thirty thousand, one hundred five".