43103404013 has 2 divisors, whose sum is σ = 43103404014. Its totient is φ = 43103404012.

The previous prime is 43103404007. The next prime is 43103404021. The reversal of 43103404013 is 31040430134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33678489289 + 9424914724 = 183517^2 + 97082^2 .

It is a cyclic number.

It is not a de Polignac number, because 43103404013 - 2¹⁸ = 43103141869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43103404013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43103404073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21551702006 + 21551702007.

It is an arithmetic number, because the mean of its divisors is an integer number (21551702007).

Almost surely, 2^43103404013 is an apocalyptic number.

It is an amenable number.

43103404013 is a deficient number, since it is larger than the sum of its proper divisors (1).

43103404013 is an equidigital number, since it uses as much as digits as its factorization.

43103404013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 43103404013 its reverse (31040430134), we get a palindrome (74143834147).

The spelling of 43103404013 in words is "forty-three billion, one hundred three million, four hundred four thousand, thirteen".