43013101 has 2 divisors, whose sum is σ = 43013102. Its totient is φ = 43013100.

The previous prime is 43013099. The next prime is 43013137. The reversal of 43013101 is 10131034.

43013101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39501225 + 3511876 = 6285^2 + 1874^2 .

It is a cyclic number.

It is not a de Polignac number, because 43013101 - 2¹ = 43013099 is a prime.

Together with 43013099, 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 (43013161) 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, 21506550 + 21506551.

It is an arithmetic number, because the mean of its divisors is an integer number (21506551).

Almost surely, 2^43013101 is an apocalyptic number.

It is an amenable number.

43013101 is a deficient number, since it is larger than the sum of its proper divisors (1).

43013101 is an equidigital number, since it uses as much as digits as its factorization.

43013101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 43013101 is about 6558.4373901105. The cubic root of 43013101 is about 350.3753822848.

Adding to 43013101 its reverse (10131034), we get a palindrome (53144135).

It can be divided in two parts, 430 and 13101, that added together give a palindrome (13531).

The spelling of 43013101 in words is "forty-three million, thirteen thousand, one hundred one".