30313168 has 20 divisors (see below), whose sum is σ = 59164740. Its totient is φ = 15044864.

The previous prime is 30313163. The next prime is 30313181. The reversal of 30313168 is 86131303.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10705984 + 19607184 = 3272^2 + 4428^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30313163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4723 + ... + 9106.

It is an arithmetic number, because the mean of its divisors is an integer number (2958237).

Almost surely, 2^30313168 is an apocalyptic number.

It is an amenable number.

30313168 is a deficient number, since it is larger than the sum of its proper divisors (28851572).

30313168 is a wasteful number, since it uses less digits than its factorization.

30313168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13974 (or 13968 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 30313168 is about 5505.7395506871. The cubic root of 30313168 is about 311.8007164820.

The spelling of 30313168 in words is "thirty million, three hundred thirteen thousand, one hundred sixty-eight".