30171113 has 12 divisors (see below), whose sum is σ = 35414100. Its totient is φ = 25627392.

The previous prime is 30171077. The next prime is 30171131. The reversal of 30171113 is 31117103.

It can be written as a sum of positive squares in 2 ways, for example, as 1570009 + 28601104 = 1253^2 + 5348^2 .

It is not a de Polignac number, because 30171113 - 2¹⁶ = 30105577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30171091 and 30171100.

It is not an unprimeable number, because it can be changed into a prime (30171143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2813 + ... + 8261.

It is an arithmetic number, because the mean of its divisors is an integer number (2951175).

Almost surely, 2^30171113 is an apocalyptic number.

It is an amenable number.

30171113 is a deficient number, since it is larger than the sum of its proper divisors (5242987).

30171113 is a wasteful number, since it uses less digits than its factorization.

30171113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5576 (or 5569 counting only the distinct ones).

The product of its (nonzero) digits is 63, while the sum is 17.

The square root of 30171113 is about 5492.8237728877. The cubic root of 30171113 is about 311.3128952536.

Adding to 30171113 its reverse (31117103), we get a palindrome (61288216).

The spelling of 30171113 in words is "thirty million, one hundred seventy-one thousand, one hundred thirteen".