30133361 has 2 divisors, whose sum is σ = 30133362. Its totient is φ = 30133360.

The previous prime is 30133357. The next prime is 30133379. The reversal of 30133361 is 16333103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28558336 + 1575025 = 5344^2 + 1255^2 .

It is a cyclic number.

It is not a de Polignac number, because 30133361 - 2² = 30133357 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30133861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15066680 + 15066681.

It is an arithmetic number, because the mean of its divisors is an integer number (15066681).

Almost surely, 2^30133361 is an apocalyptic number.

It is an amenable number.

30133361 is a deficient number, since it is larger than the sum of its proper divisors (1).

30133361 is an equidigital number, since it uses as much as digits as its factorization.

30133361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 30133361 is about 5489.3862134122. The cubic root of 30133361 is about 311.1829962811.

Adding to 30133361 its reverse (16333103), we get a palindrome (46466464).

The spelling of 30133361 in words is "thirty million, one hundred thirty-three thousand, three hundred sixty-one".