43121130359 has 2 divisors, whose sum is σ = 43121130360. Its totient is φ = 43121130358.

The previous prime is 43121130277. The next prime is 43121130361. The reversal of 43121130359 is 95303112134.

43121130359 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43121130359 - 2⁸ = 43121130103 is a prime.

It is a Sophie Germain prime.

Together with 43121130361, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43121130659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21560565179 + 21560565180.

It is an arithmetic number, because the mean of its divisors is an integer number (21560565180).

Almost surely, 2^43121130359 is an apocalyptic number.

43121130359 is a deficient number, since it is larger than the sum of its proper divisors (1).

43121130359 is an equidigital number, since it uses as much as digits as its factorization.

43121130359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The spelling of 43121130359 in words is "forty-three billion, one hundred twenty-one million, one hundred thirty thousand, three hundred fifty-nine".