30432113 has 2 divisors, whose sum is σ = 30432114. Its totient is φ = 30432112.

The previous prime is 30432097. The next prime is 30432119. The reversal of 30432113 is 31123403.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18515809 + 11916304 = 4303^2 + 3452^2 .

It is an emirp because it is prime and its reverse (31123403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30432113 - 2⁴ = 30432097 is a prime.

It is a super-2 number, since 2×30432113² = 1852227003289538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30432091 and 30432100.

It is not a weakly prime, because it can be changed into another prime (30432119) 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 as a sum of consecutive naturals, namely, 15216056 + 15216057.

It is an arithmetic number, because the mean of its divisors is an integer number (15216057).

Almost surely, 2^30432113 is an apocalyptic number.

It is an amenable number.

30432113 is a deficient number, since it is larger than the sum of its proper divisors (1).

30432113 is an equidigital number, since it uses as much as digits as its factorization.

30432113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 30432113 is about 5516.5308845324. The cubic root of 30432113 is about 312.2080062919.

Adding to 30432113 its reverse (31123403), we get a palindrome (61555516).

The spelling of 30432113 in words is "thirty million, four hundred thirty-two thousand, one hundred thirteen".