30330133 has 2 divisors, whose sum is σ = 30330134. Its totient is φ = 30330132.

The previous prime is 30330127. The next prime is 30330149. The reversal of 30330133 is 33103303.

It is an a-pointer prime, because the next prime (30330149) can be obtained adding 30330133 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27952369 + 2377764 = 5287^2 + 1542^2 .

It is an emirp because it is prime and its reverse (33103303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30330133 - 2¹⁷ = 30199061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30330173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15165066 + 15165067.

It is an arithmetic number, because the mean of its divisors is an integer number (15165067).

Almost surely, 2^30330133 is an apocalyptic number.

It is an amenable number.

30330133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30330133 is an equidigital number, since it uses as much as digits as its factorization.

30330133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 16.

The square root of 30330133 is about 5507.2800001453. The cubic root of 30330133 is about 311.8588728654.

Adding to 30330133 its reverse (33103303), we get a palindrome (63433436).

The spelling of 30330133 in words is "thirty million, three hundred thirty thousand, one hundred thirty-three".