320412320303 has 4 divisors (see below), whose sum is σ = 320548842600. Its totient is φ = 320275798008.

The previous prime is 320412320297. The next prime is 320412320351. The reversal of 320412320303 is 303023214023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303023214023 = 263 ⋅1152179521.

It is a cyclic number.

It is not a de Polignac number, because 320412320303 - 2¹⁴ = 320412303919 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 (320412020303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68257628 + ... + 68262321.

It is an arithmetic number, because the mean of its divisors is an integer number (80137210650).

Almost surely, 2^320412320303 is an apocalyptic number.

320412320303 is a deficient number, since it is larger than the sum of its proper divisors (136522297).

320412320303 is a wasteful number, since it uses less digits than its factorization.

320412320303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136522296.

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

Adding to 320412320303 its reverse (303023214023), we get a palindrome (623435534326).

The spelling of 320412320303 in words is "three hundred twenty billion, four hundred twelve million, three hundred twenty thousand, three hundred three".