30133 has 2 divisors, whose sum is σ = 30134. Its totient is φ = 30132.

The previous prime is 30119. The next prime is 30137. The reversal of 30133 is 33103.

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., 23409 + 6724 = 153^2 + 82^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30133 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15066 + 15067.

It is an arithmetic number, because the mean of its divisors is an integer number (15067).

2³⁰¹³³ is an apocalyptic number.

It is an amenable number.

30133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30133 is an equidigital number, since it uses as much as digits as its factorization.

30133 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 30133 is about 173.5885940953. The cubic root of 30133 is about 31.1181753611.

Adding to 30133 its reverse (33103), we get a palindrome (63236).

The spelling of 30133 in words is "thirty thousand, one hundred thirty-three".