305135113 has 2 divisors, whose sum is σ = 305135114. Its totient is φ = 305135112.

The previous prime is 305135111. The next prime is 305135203. The reversal of 305135113 is 311531503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248629824 + 56505289 = 15768^2 + 7517^2 .

It is an emirp because it is prime and its reverse (311531503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 305135113 - 2¹ = 305135111 is a prime.

Together with 305135111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (305135111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152567556 + 152567557.

It is an arithmetic number, because the mean of its divisors is an integer number (152567557).

Almost surely, 2^305135113 is an apocalyptic number.

It is an amenable number.

305135113 is a deficient number, since it is larger than the sum of its proper divisors (1).

305135113 is an equidigital number, since it uses as much as digits as its factorization.

305135113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675, while the sum is 22.

The square root of 305135113 is about 17468.1170422001. The cubic root of 305135113 is about 673.2309326735.

Adding to 305135113 its reverse (311531503), we get a palindrome (616666616).

The spelling of 305135113 in words is "three hundred five million, one hundred thirty-five thousand, one hundred thirteen".