305024313 has 16 divisors (see below), whose sum is σ = 453113856. Its totient is φ = 180929040.

The previous prime is 305024311. The next prime is 305024329. The reversal of 305024313 is 313420503.

It is not a de Polignac number, because 305024313 - 2¹ = 305024311 is a prime.

It is a super-2 number, since 2×305024313² = 186079663042243938, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 305024313.

It is not an unprimeable number, because it can be changed into a prime (305024311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96781 + ... + 99882.

It is an arithmetic number, because the mean of its divisors is an integer number (28319616).

Almost surely, 2^305024313 is an apocalyptic number.

305024313 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

305024313 is a deficient number, since it is larger than the sum of its proper divisors (148089543).

305024313 is a wasteful number, since it uses less digits than its factorization.

305024313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196724.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 305024313 is about 17464.9452618667. The cubic root of 305024313 is about 673.1494354233.

Adding to 305024313 its reverse (313420503), we get a palindrome (618444816).

The spelling of 305024313 in words is "three hundred five million, twenty-four thousand, three hundred thirteen".