30440101 has 2 divisors, whose sum is σ = 30440102. Its totient is φ = 30440100.

The previous prime is 30440099. The next prime is 30440107. The reversal of 30440101 is 10104403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19351201 + 11088900 = 4399^2 + 3330^2 .

It is a cyclic number.

It is not a de Polignac number, because 30440101 - 2¹ = 30440099 is a prime.

Together with 30440099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30440107) 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, 15220050 + 15220051.

It is an arithmetic number, because the mean of its divisors is an integer number (15220051).

Almost surely, 2^30440101 is an apocalyptic number.

It is an amenable number.

30440101 is a deficient number, since it is larger than the sum of its proper divisors (1).

30440101 is an equidigital number, since it uses as much as digits as its factorization.

30440101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 30440101 is about 5517.2548427637. The cubic root of 30440101 is about 312.2353206334.

Adding to 30440101 its reverse (10104403), we get a palindrome (40544504).

The spelling of 30440101 in words is "thirty million, four hundred forty thousand, one hundred one".