30660133 has 12 divisors (see below), whose sum is σ = 35873292. Its totient is φ = 26127360.

The previous prime is 30660131. The next prime is 30660139. The reversal of 30660133 is 33106603.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 388129 + 30272004 = 623^2 + 5502^2 .

It is not a de Polignac number, because 30660133 - 2¹ = 30660131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30660131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7141 + ... + 10597.

It is an arithmetic number, because the mean of its divisors is an integer number (2989441).

Almost surely, 2^30660133 is an apocalyptic number.

It is an amenable number.

30660133 is a deficient number, since it is larger than the sum of its proper divisors (5213159).

30660133 is a wasteful number, since it uses less digits than its factorization.

30660133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3652 (or 3645 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 30660133 is about 5537.1592897442. The cubic root of 30660133 is about 312.9858316117.

Adding to 30660133 its reverse (33106603), we get a palindrome (63766736).

The spelling of 30660133 in words is "thirty million, six hundred sixty thousand, one hundred thirty-three".