305320075313 has 4 divisors (see below), whose sum is σ = 333076445808. Its totient is φ = 277563704820.

The previous prime is 305320075301. The next prime is 305320075349. The reversal of 305320075313 is 313570023503.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 305320075313 - 2¹⁰ = 305320074289 is a prime.

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 305320075313.

It is not an unprimeable number, because it can be changed into a prime (305320075213) 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, 13878185231 + ... + 13878185252.

It is an arithmetic number, because the mean of its divisors is an integer number (83269111452).

Almost surely, 2^305320075313 is an apocalyptic number.

It is an amenable number.

305320075313 is a deficient number, since it is larger than the sum of its proper divisors (27756370495).

305320075313 is a wasteful number, since it uses less digits than its factorization.

305320075313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27756370494.

The product of its (nonzero) digits is 28350, while the sum is 32.

Adding to 305320075313 its reverse (313570023503), we get a palindrome (618890098816).

The spelling of 305320075313 in words is "three hundred five billion, three hundred twenty million, seventy-five thousand, three hundred thirteen".