305133107 has 2 divisors, whose sum is σ = 305133108. Its totient is φ = 305133106.

The previous prime is 305133091. The next prime is 305133131. The reversal of 305133107 is 701331503.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 305133107 - 2⁴ = 305133091 is a prime.

It is not a weakly prime, because it can be changed into another prime (305133167) by changing a digit.

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 as a sum of consecutive naturals, namely, 152566553 + 152566554.

It is an arithmetic number, because the mean of its divisors is an integer number (152566554).

Almost surely, 2^305133107 is an apocalyptic number.

305133107 is a deficient number, since it is larger than the sum of its proper divisors (1).

305133107 is an equidigital number, since it uses as much as digits as its factorization.

305133107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 23.

The square root of 305133107 is about 17468.0596232094. The cubic root of 305133107 is about 673.2294573662.

The spelling of 305133107 in words is "three hundred five million, one hundred thirty-three thousand, one hundred seven".