30010681 has 2 divisors, whose sum is σ = 30010682. Its totient is φ = 30010680.

The previous prime is 30010657. The next prime is 30010693. The reversal of 30010681 is 18601003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19219456 + 10791225 = 4384^2 + 3285^2 .

It is a cyclic number.

It is not a de Polignac number, because 30010681 - 2⁷ = 30010553 is a prime.

It is a super-2 number, since 2×30010681² = 1801281948167522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30010601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15005340 + 15005341.

It is an arithmetic number, because the mean of its divisors is an integer number (15005341).

Almost surely, 2^30010681 is an apocalyptic number.

It is an amenable number.

30010681 is a deficient number, since it is larger than the sum of its proper divisors (1).

30010681 is an equidigital number, since it uses as much as digits as its factorization.

30010681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 30010681 is about 5478.2005257201. The cubic root of 30010681 is about 310.7601221648.

Adding to 30010681 its reverse (18601003), we get a palindrome (48611684).

The spelling of 30010681 in words is "thirty million, ten thousand, six hundred eighty-one".