43030303013 has 2 divisors, whose sum is σ = 43030303014. Its totient is φ = 43030303012.

The previous prime is 43030302949. The next prime is 43030303087. The reversal of 43030303013 is 31030303034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40893737284 + 2136565729 = 202222^2 + 46223^2 .

It is a cyclic number.

It is not a de Polignac number, because 43030303013 - 2⁶ = 43030302949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43030303093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21515151506 + 21515151507.

It is an arithmetic number, because the mean of its divisors is an integer number (21515151507).

Almost surely, 2^43030303013 is an apocalyptic number.

It is an amenable number.

43030303013 is a deficient number, since it is larger than the sum of its proper divisors (1).

43030303013 is an equidigital number, since it uses as much as digits as its factorization.

43030303013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 43030303013 its reverse (31030303034), we get a palindrome (74060606047).

The spelling of 43030303013 in words is "forty-three billion, thirty million, three hundred three thousand, thirteen".