305141013 has 10 divisors (see below), whose sum is σ = 455828054. Its totient is φ = 203427288.

The previous prime is 305141009. The next prime is 305141021. The reversal of 305141013 is 310141503.

It can be written as a sum of positive squares in only one way, i.e., 233264529 + 71876484 = 15273^2 + 8478^2 .

It is not a de Polignac number, because 305141013 - 2² = 305141009 is a prime.

It is a super-2 number, since 2×305141013² = 186222075629332338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305141113) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1883506 + ... + 1883667.

Almost surely, 2^305141013 is an apocalyptic number.

It is an amenable number.

305141013 is a deficient number, since it is larger than the sum of its proper divisors (150687041).

305141013 is an equidigital number, since it uses as much as digits as its factorization.

305141013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767185 (or 3767176 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 305141013 is about 17468.2859204903. The cubic root of 305141013 is about 673.2352717752.

Adding to 305141013 its reverse (310141503), we get a palindrome (615282516).

The spelling of 305141013 in words is "three hundred five million, one hundred forty-one thousand, thirteen".