30131168 has 12 divisors (see below), whose sum is σ = 59320800. Its totient is φ = 15065568.

The previous prime is 30131159. The next prime is 30131201. The reversal of 30131168 is 86113103.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 470768 + ... + 470831.

It is an arithmetic number, because the mean of its divisors is an integer number (4943400).

Almost surely, 2^30131168 is an apocalyptic number.

It is an amenable number.

30131168 is a deficient number, since it is larger than the sum of its proper divisors (29189632).

30131168 is an equidigital number, since it uses as much as digits as its factorization.

30131168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941609 (or 941601 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 30131168 is about 5489.1864606697. The cubic root of 30131168 is about 311.1754471634.

The spelling of 30131168 in words is "thirty million, one hundred thirty-one thousand, one hundred sixty-eight".