305342021536343 has 12 divisors (see below), whose sum is σ = 336431064588504. Its totient is φ = 274835302812000.

The previous prime is 305342021536301. The next prime is 305342021536361. The reversal of 305342021536343 is 343635120243503.

It is not a de Polignac number, because 305342021536343 - 2²⁶ = 305341954427479 is a prime.

It is a super-4 number, since 4×305342021536343⁴ (a number of 59 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 305342021536294 and 305342021536303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305342021536543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1360458596 + ... + 1360683017.

It is an arithmetic number, because the mean of its divisors is an integer number (28035922049042).

Almost surely, 2^{305342021536343} is an apocalyptic number.

305342021536343 is a deficient number, since it is larger than the sum of its proper divisors (31089043052161).

305342021536343 is a wasteful number, since it uses less digits than its factorization.

305342021536343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721141826 (or 2721141725 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 44.

Adding to 305342021536343 its reverse (343635120243503), we get a palindrome (648977141779846).

The spelling of 305342021536343 in words is "three hundred five trillion, three hundred forty-two billion, twenty-one million, five hundred thirty-six thousand, three hundred forty-three".