30013133 has 2 divisors, whose sum is σ = 30013134. Its totient is φ = 30013132.

The previous prime is 30013129. The next prime is 30013153. The reversal of 30013133 is 33131003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29626249 + 386884 = 5443^2 + 622^2 .

It is a cyclic number.

It is not a de Polignac number, because 30013133 - 2² = 30013129 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30013153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15006566 + 15006567.

It is an arithmetic number, because the mean of its divisors is an integer number (15006567).

Almost surely, 2^30013133 is an apocalyptic number.

It is an amenable number.

30013133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30013133 is an equidigital number, since it uses as much as digits as its factorization.

30013133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 14.

The square root of 30013133 is about 5478.4243172650. The cubic root of 30013133 is about 310.7685854079.

Adding to 30013133 its reverse (33131003), we get a palindrome (63144136).

The spelling of 30013133 in words is "thirty million, thirteen thousand, one hundred thirty-three".