30152271 has 16 divisors (see below), whose sum is σ = 42682464. Its totient is φ = 18868224.

The previous prime is 30152267. The next prime is 30152327. The reversal of 30152271 is 17225103.

It is not a de Polignac number, because 30152271 - 2² = 30152267 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30152231) 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 in 15 ways as a sum of consecutive naturals, for example, 29745 + ... + 30741.

It is an arithmetic number, because the mean of its divisors is an integer number (2667654).

Almost surely, 2^30152271 is an apocalyptic number.

30152271 is a deficient number, since it is larger than the sum of its proper divisors (12530193).

30152271 is a wasteful number, since it uses less digits than its factorization.

30152271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 30152271 is about 5491.1083580640. The cubic root of 30152271 is about 311.2480763095.

Adding to 30152271 its reverse (17225103), we get a palindrome (47377374).

The spelling of 30152271 in words is "thirty million, one hundred fifty-two thousand, two hundred seventy-one".