30257113 has 8 divisors (see below), whose sum is σ = 30995048. Its totient is φ = 29528064.

The previous prime is 30257111. The next prime is 30257131. The reversal of 30257113 is 31175203.

It can be written as a sum of positive squares in 4 ways, for example, as 2347024 + 27910089 = 1532^2 + 5283^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30257113 - 2¹ = 30257111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30257111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4945 + ... + 9217.

It is an arithmetic number, because the mean of its divisors is an integer number (3874381).

Almost surely, 2^30257113 is an apocalyptic number.

It is an amenable number.

30257113 is a deficient number, since it is larger than the sum of its proper divisors (737935).

30257113 is an equidigital number, since it uses as much as digits as its factorization.

30257113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4443.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 30257113 is about 5500.6465983555. The cubic root of 30257113 is about 311.6084043087.

The spelling of 30257113 in words is "thirty million, two hundred fifty-seven thousand, one hundred thirteen".