103344433421 has 2 divisors, whose sum is σ = 103344433422. Its totient is φ = 103344433420.

The previous prime is 103344433411. The next prime is 103344433447. The reversal of 103344433421 is 124334443301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91408870921 + 11935562500 = 302339^2 + 109250^2 .

It is a cyclic number.

It is not a de Polignac number, because 103344433421 - 2¹⁰ = 103344432397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103344433411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51672216710 + 51672216711.

It is an arithmetic number, because the mean of its divisors is an integer number (51672216711).

Almost surely, 2^103344433421 is an apocalyptic number.

It is an amenable number.

103344433421 is a deficient number, since it is larger than the sum of its proper divisors (1).

103344433421 is an equidigital number, since it uses as much as digits as its factorization.

103344433421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 103344433421 its reverse (124334443301), we get a palindrome (227678876722).

The spelling of 103344433421 in words is "one hundred three billion, three hundred forty-four million, four hundred thirty-three thousand, four hundred twenty-one".