43030420351 has 2 divisors, whose sum is σ = 43030420352. Its totient is φ = 43030420350.

The previous prime is 43030420339. The next prime is 43030420397. The reversal of 43030420351 is 15302403034.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43030420351 - 2²¹ = 43028323199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43030420051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21515210175 + 21515210176.

It is an arithmetic number, because the mean of its divisors is an integer number (21515210176).

Almost surely, 2^43030420351 is an apocalyptic number.

43030420351 is a deficient number, since it is larger than the sum of its proper divisors (1).

43030420351 is an equidigital number, since it uses as much as digits as its factorization.

43030420351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 43030420351 its reverse (15302403034), we get a palindrome (58332823385).

The spelling of 43030420351 in words is "forty-three billion, thirty million, four hundred twenty thousand, three hundred fifty-one".