43351021143201 has 16 divisors (see below), whose sum is σ = 59043015696384. Its totient is φ = 28280100300624.

The previous prime is 43351021143163. The next prime is 43351021143229. The reversal of 43351021143201 is 10234112015334.

43351021143201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-43351021143201 is a prime.

It is a super-2 number, since 2×43351021143201² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43351021153201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30122385 + ... + 31528718.

It is an arithmetic number, because the mean of its divisors is an integer number (3690188481024).

Almost surely, 2^{43351021143201} is an apocalyptic number.

It is an amenable number.

43351021143201 is a deficient number, since it is larger than the sum of its proper divisors (15691994553183).

43351021143201 is a wasteful number, since it uses less digits than its factorization.

43351021143201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61656140.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 43351021143201 its reverse (10234112015334), we get a palindrome (53585133158535).

The spelling of 43351021143201 in words is "forty-three trillion, three hundred fifty-one billion, twenty-one million, one hundred forty-three thousand, two hundred one".