30040133 has 2 divisors, whose sum is σ = 30040134. Its totient is φ = 30040132.

The previous prime is 30040117. The next prime is 30040141. The reversal of 30040133 is 33104003.

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., 28922884 + 1117249 = 5378^2 + 1057^2 .

It is an emirp because it is prime and its reverse (33104003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30040133 - 2⁴ = 30040117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30040103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15020066 + 15020067.

It is an arithmetic number, because the mean of its divisors is an integer number (15020067).

Almost surely, 2^30040133 is an apocalyptic number.

It is an amenable number.

30040133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30040133 is an equidigital number, since it uses as much as digits as its factorization.

30040133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 30040133 is about 5480.8879755018. The cubic root of 30040133 is about 310.8617472574.

Adding to 30040133 its reverse (33104003), we get a palindrome (63144136).

The spelling of 30040133 in words is "thirty million, forty thousand, one hundred thirty-three".