30133071 has 6 divisors (see below), whose sum is σ = 43525560. Its totient is φ = 20088708.

The previous prime is 30133057. The next prime is 30133079. The reversal of 30133071 is 17033103.

It is not a de Polignac number, because 30133071 - 2¹⁴ = 30116687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30133079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1674051 + ... + 1674068.

It is an arithmetic number, because the mean of its divisors is an integer number (7254260).

Almost surely, 2^30133071 is an apocalyptic number.

30133071 is a deficient number, since it is larger than the sum of its proper divisors (13392489).

30133071 is a wasteful number, since it uses less digits than its factorization.

30133071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348125 (or 3348122 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 18.

The square root of 30133071 is about 5489.3597987379. The cubic root of 30133071 is about 311.1819980147.

Adding to 30133071 its reverse (17033103), we get a palindrome (47166174).

It can be divided in two parts, 301330 and 71, that added together give a square (301401 = 549²).

The spelling of 30133071 in words is "thirty million, one hundred thirty-three thousand, seventy-one".