303212113 has 2 divisors, whose sum is σ = 303212114. Its totient is φ = 303212112.

The previous prime is 303212069. The next prime is 303212131. The reversal of 303212113 is 311212303.

Together with next prime (303212131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 300953104 + 2259009 = 17348^2 + 1503^2 .

It is a cyclic number.

It is not a de Polignac number, because 303212113 - 2¹³ = 303203921 is a prime.

It is not a weakly prime, because it can be changed into another prime (303216113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151606056 + 151606057.

It is an arithmetic number, because the mean of its divisors is an integer number (151606057).

Almost surely, 2^303212113 is an apocalyptic number.

It is an amenable number.

303212113 is a deficient number, since it is larger than the sum of its proper divisors (1).

303212113 is an equidigital number, since it uses as much as digits as its factorization.

303212113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 303212113 is about 17412.9869063294. The cubic root of 303212113 is about 671.8136891679.

Adding to 303212113 its reverse (311212303), we get a palindrome (614424416).

The spelling of 303212113 in words is "three hundred three million, two hundred twelve thousand, one hundred thirteen".