305130794 has 4 divisors (see below), whose sum is σ = 457696194. Its totient is φ = 152565396.

The previous prime is 305130757. The next prime is 305130817. The reversal of 305130794 is 497031503.

It is a happy number.

305130794 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 497031503 = 12923 ⋅38461.

It can be written as a sum of positive squares in only one way, i.e., 303212569 + 1918225 = 17413^2 + 1385^2 .

It is a super-3 number, since 3×305130794³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 305130794.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76282697 + ... + 76282700.

Almost surely, 2^305130794 is an apocalyptic number.

305130794 is a deficient number, since it is larger than the sum of its proper divisors (152565400).

305130794 is a wasteful number, since it uses less digits than its factorization.

305130794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152565399.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 305130794 is about 17467.9934165318. The cubic root of 305130794 is about 673.2277562685.

The spelling of 305130794 in words is "three hundred five million, one hundred thirty thousand, seven hundred ninety-four".