320104421251304 has 64 divisors (see below), whose sum is σ = 636970026042000. Its totient is φ = 150289342562304.

The previous prime is 320104421251301. The next prime is 320104421251331. The reversal of 320104421251304 is 403152124401023.

It can be written as a sum of positive squares in 8 ways, for example, as 319668295732900 + 436125518404 = 17879270^2 + 660398^2 .

It is not an unprimeable number, because it can be changed into a prime (320104421251301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513872222 + ... + 514494770.

Almost surely, 2^{320104421251304} is an apocalyptic number.

320104421251304 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

320104421251304 is a deficient number, since it is larger than the sum of its proper divisors (316865604790696).

320104421251304 is a wasteful number, since it uses less digits than its factorization.

320104421251304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631302 (or 631298 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 320104421251304 its reverse (403152124401023), we get a palindrome (723256545652327).

The spelling of 320104421251304 in words is "three hundred twenty trillion, one hundred four billion, four hundred twenty-one million, two hundred fifty-one thousand, three hundred four".