320485803343 has 4 divisors (see below), whose sum is σ = 339337909440. Its totient is φ = 301633697248.

The previous prime is 320485803329. The next prime is 320485803437. The reversal of 320485803343 is 343308584023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343308584023 = 37 ⋅9278610379.

It is a cyclic number.

It is not a de Polignac number, because 320485803343 - 2⁹ = 320485802831 is a prime.

It is a super-2 number, since 2×320485803343² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320485803343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320485803643) 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, 9426053023 + ... + 9426053056.

It is an arithmetic number, because the mean of its divisors is an integer number (84834477360).

Almost surely, 2^320485803343 is an apocalyptic number.

320485803343 is a deficient number, since it is larger than the sum of its proper divisors (18852106097).

320485803343 is a wasteful number, since it uses less digits than its factorization.

320485803343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18852106096.

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 320485803343 in words is "three hundred twenty billion, four hundred eighty-five million, eight hundred three thousand, three hundred forty-three".