43120440131303 has 4 divisors (see below), whose sum is σ = 44172158183328. Its totient is φ = 42068722079280.

The previous prime is 43120440131269. The next prime is 43120440131317. The reversal of 43120440131303 is 30313104402134.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43120440131303 - 2¹⁶ = 43120440065767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43120440181303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525859025951 + ... + 525859026032.

It is an arithmetic number, because the mean of its divisors is an integer number (11043039545832).

Almost surely, 2^{43120440131303} is an apocalyptic number.

43120440131303 is a deficient number, since it is larger than the sum of its proper divisors (1051718052025).

43120440131303 is a wasteful number, since it uses less digits than its factorization.

43120440131303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051718052024.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 43120440131303 its reverse (30313104402134), we get a palindrome (73433544533437).

The spelling of 43120440131303 in words is "forty-three trillion, one hundred twenty billion, four hundred forty million, one hundred thirty-one thousand, three hundred three".