30161132 has 24 divisors (see below), whose sum is σ = 55834800. Its totient is φ = 14216256.

The previous prime is 30161129. The next prime is 30161141. The reversal of 30161132 is 23116103.

It is a self number, because there is not a number n which added to its sum of digits gives 30161132.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16538 + ... + 18270.

It is an arithmetic number, because the mean of its divisors is an integer number (2326450).

Almost surely, 2^30161132 is an apocalyptic number.

It is an amenable number.

30161132 is a deficient number, since it is larger than the sum of its proper divisors (25673668).

30161132 is a wasteful number, since it uses less digits than its factorization.

30161132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985 (or 1983 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 30161132 is about 5491.9151486526. The cubic root of 30161132 is about 311.2785626707.

Adding to 30161132 its reverse (23116103), we get a palindrome (53277235).

The spelling of 30161132 in words is "thirty million, one hundred sixty-one thousand, one hundred thirty-two".