30311201 has 2 divisors, whose sum is σ = 30311202. Its totient is φ = 30311200.

The previous prime is 30311159. The next prime is 30311209. The reversal of 30311201 is 10211303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16443025 + 13868176 = 4055^2 + 3724^2 .

It is a cyclic number.

It is not a de Polignac number, because 30311201 - 2¹⁰ = 30310177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30311209) 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, 15155600 + 15155601.

It is an arithmetic number, because the mean of its divisors is an integer number (15155601).

Almost surely, 2^30311201 is an apocalyptic number.

It is an amenable number.

30311201 is a deficient number, since it is larger than the sum of its proper divisors (1).

30311201 is an equidigital number, since it uses as much as digits as its factorization.

30311201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 30311201 is about 5505.5609160194. The cubic root of 30311201 is about 311.7939721603.

Adding to 30311201 its reverse (10211303), we get a palindrome (40522504).

The spelling of 30311201 in words is "thirty million, three hundred eleven thousand, two hundred one".