30113471 has 2 divisors, whose sum is σ = 30113472. Its totient is φ = 30113470.

The previous prime is 30113441. The next prime is 30113491. The reversal of 30113471 is 17431103.

It is a happy number.

It is an a-pointer prime, because the next prime (30113491) can be obtained adding 30113471 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30113471 - 2¹⁰ = 30112447 is a prime.

It is a super-3 number, since 3×30113471³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30113401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15056735 + 15056736.

It is an arithmetic number, because the mean of its divisors is an integer number (15056736).

Almost surely, 2^30113471 is an apocalyptic number.

30113471 is a deficient number, since it is larger than the sum of its proper divisors (1).

30113471 is an equidigital number, since it uses as much as digits as its factorization.

30113471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 30113471 is about 5487.5742363999. The cubic root of 30113471 is about 311.1145141304.

Adding to 30113471 its reverse (17431103), we get a palindrome (47544574).

The spelling of 30113471 in words is "thirty million, one hundred thirteen thousand, four hundred seventy-one".