320341232605 has 4 divisors (see below), whose sum is σ = 384409479132. Its totient is φ = 256272986080.

The previous prime is 320341232597. The next prime is 320341232611. The reversal of 320341232605 is 506232143023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44215155076 + 276126077529 = 210274^2 + 525477^2 .

It is not a de Polignac number, because 320341232605 - 2³ = 320341232597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32034123256 + ... + 32034123265.

It is an arithmetic number, because the mean of its divisors is an integer number (96102369783).

Almost surely, 2^320341232605 is an apocalyptic number.

It is an amenable number.

320341232605 is a deficient number, since it is larger than the sum of its proper divisors (64068246527).

320341232605 is an equidigital number, since it uses as much as digits as its factorization.

320341232605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64068246526.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 320341232605 its reverse (506232143023), we get a palindrome (826573375628).

The spelling of 320341232605 in words is "three hundred twenty billion, three hundred forty-one million, two hundred thirty-two thousand, six hundred five".