30000133 has 2 divisors, whose sum is σ = 30000134. Its totient is φ = 30000132.

The previous prime is 30000109. The next prime is 30000137. The reversal of 30000133 is 33100003.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20958084 + 9042049 = 4578^2 + 3007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30000133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30000137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15000066 + 15000067.

It is an arithmetic number, because the mean of its divisors is an integer number (15000067).

Almost surely, 2^30000133 is an apocalyptic number.

It is an amenable number.

30000133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30000133 is an equidigital number, since it uses as much as digits as its factorization.

30000133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 10.

The square root of 30000133 is about 5477.2377162216. The cubic root of 30000133 is about 310.7237097746.

Adding to 30000133 its reverse (33100003), we get a palindrome (63100136).

The spelling of 30000133 in words is "thirty million, one hundred thirty-three", and thus it is an aban number.