30969171 has 6 divisors (see below), whose sum is σ = 44733260. Its totient is φ = 20646108.

The previous prime is 30969167. The next prime is 30969173. The reversal of 30969171 is 17196903.

It is not a de Polignac number, because 30969171 - 2² = 30969167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30969173) 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 5 ways as a sum of consecutive naturals, for example, 1720501 + ... + 1720518.

Almost surely, 2^30969171 is an apocalyptic number.

30969171 is a deficient number, since it is larger than the sum of its proper divisors (13764089).

30969171 is a wasteful number, since it uses less digits than its factorization.

30969171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3441025 (or 3441022 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 30969171 is about 5564.9951482459. The cubic root of 30969171 is about 314.0338956201.

The spelling of 30969171 in words is "thirty million, nine hundred sixty-nine thousand, one hundred seventy-one".