30953168 has 20 divisors (see below), whose sum is σ = 60795588. Its totient is φ = 15264000.

The previous prime is 30953161. The next prime is 30953171. The reversal of 30953168 is 86135903.

It can be written as a sum of positive squares in 2 ways, for example, as 14077504 + 16875664 = 3752^2 + 4108^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30953161) 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, 12083 + ... + 14418.

Almost surely, 2^30953168 is an apocalyptic number.

It is an amenable number.

30953168 is a deficient number, since it is larger than the sum of its proper divisors (29842420).

30953168 is a wasteful number, since it uses less digits than its factorization.

30953168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26582 (or 26576 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 30953168 is about 5563.5571355024. The cubic root of 30953168 is about 313.9797950405.

The spelling of 30953168 in words is "thirty million, nine hundred fifty-three thousand, one hundred sixty-eight".