30234133 has 2 divisors, whose sum is σ = 30234134. Its totient is φ = 30234132.

The previous prime is 30234079. The next prime is 30234157. The reversal of 30234133 is 33143203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29833444 + 400689 = 5462^2 + 633^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30234133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30234133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30234163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15117066 + 15117067.

It is an arithmetic number, because the mean of its divisors is an integer number (15117067).

Almost surely, 2^30234133 is an apocalyptic number.

It is an amenable number.

30234133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30234133 is an equidigital number, since it uses as much as digits as its factorization.

30234133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 30234133 is about 5498.5573562526. The cubic root of 30234133 is about 311.5294964197.

Adding to 30234133 its reverse (33143203), we get a palindrome (63377336).

The spelling of 30234133 in words is "thirty million, two hundred thirty-four thousand, one hundred thirty-three".