305413223500313 has 4 divisors (see below), whose sum is σ = 321487603684560. Its totient is φ = 289338843316068.

The previous prime is 305413223500267. The next prime is 305413223500327. The reversal of 305413223500313 is 313005322314503.

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 305413223500313 - 2⁸ = 305413223500057 is a prime.

It is a super-2 number, since 2×305413223500313² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305413223500213) 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, 8037190092095 + ... + 8037190092132.

It is an arithmetic number, because the mean of its divisors is an integer number (80371900921140).

Almost surely, 2^{305413223500313} is an apocalyptic number.

It is an amenable number.

305413223500313 is a deficient number, since it is larger than the sum of its proper divisors (16074380184247).

305413223500313 is a wasteful number, since it uses less digits than its factorization.

305413223500313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16074380184246.

The product of its (nonzero) digits is 97200, while the sum is 35.

Adding to 305413223500313 its reverse (313005322314503), we get a palindrome (618418545814816).

The spelling of 305413223500313 in words is "three hundred five trillion, four hundred thirteen billion, two hundred twenty-three million, five hundred thousand, three hundred thirteen".