305112315 has 16 divisors (see below), whose sum is σ = 491005728. Its totient is φ = 161784576.

The previous prime is 305112307. The next prime is 305112331. The reversal of 305112315 is 513211503.

It is not a de Polignac number, because 305112315 - 2³ = 305112307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 305112291 and 305112300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56194 + ... + 61383.

It is an arithmetic number, because the mean of its divisors is an integer number (30687858).

Almost surely, 2^305112315 is an apocalyptic number.

305112315 is a deficient number, since it is larger than the sum of its proper divisors (185893413).

305112315 is a wasteful number, since it uses less digits than its factorization.

305112315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117758.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 305112315 is about 17467.4644696934. The cubic root of 305112315 is about 673.2141655645.

Adding to 305112315 its reverse (513211503), we get a palindrome (818323818).

The spelling of 305112315 in words is "three hundred five million, one hundred twelve thousand, three hundred fifteen".