30480471 has 24 divisors (see below), whose sum is σ = 51943424. Its totient is φ = 16854480.

The previous prime is 30480467. The next prime is 30480509. The reversal of 30480471 is 17408403.

It is not a de Polignac number, because 30480471 - 2² = 30480467 is a prime.

It is a super-3 number, since 3×30480471³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30480071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5851 + ... + 9756.

Almost surely, 2^30480471 is an apocalyptic number.

30480471 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30480471 is a deficient number, since it is larger than the sum of its proper divisors (21462953).

30480471 is a wasteful number, since it uses less digits than its factorization.

30480471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15651 (or 15648 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 30480471 is about 5520.9121528965. The cubic root of 30480471 is about 312.3732896426.

Adding to 30480471 its reverse (17408403), we get a palindrome (47888874).

The spelling of 30480471 in words is "thirty million, four hundred eighty thousand, four hundred seventy-one".