30133206 has 12 divisors (see below), whose sum is σ = 65288652. Its totient is φ = 10044396.

The previous prime is 30133199. The next prime is 30133217. The reversal of 30133206 is 60233103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1674067 = 30133206 / (3 + 0 + 1 + 3 + 3 + 2 + 0 + 6).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 837016 + ... + 837051.

It is an arithmetic number, because the mean of its divisors is an integer number (5440721).

Almost surely, 2^30133206 is an apocalyptic number.

30133206 is an abundant number, since it is smaller than the sum of its proper divisors (35155446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30133206 is a wasteful number, since it uses less digits than its factorization.

30133206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674075 (or 1674072 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 30133206 is about 5489.3720952400. The cubic root of 30133206 is about 311.1824627257.

Adding to 30133206 its reverse (60233103), we get a palindrome (90366309).

The spelling of 30133206 in words is "thirty million, one hundred thirty-three thousand, two hundred six".