1103431424209 has 2 divisors, whose sum is σ = 1103431424210. Its totient is φ = 1103431424208.

The previous prime is 1103431424141. The next prime is 1103431424231. The reversal of 1103431424209 is 9024241343011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 764876183184 + 338555241025 = 874572^2 + 581855^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103431424209 - 2¹¹ = 1103431422161 is a prime.

It is a super-2 number, since 2×1103431424209² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1103431424239) 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, 551715712104 + 551715712105.

It is an arithmetic number, because the mean of its divisors is an integer number (551715712105).

Almost surely, 2^{1103431424209} is an apocalyptic number.

It is an amenable number.

1103431424209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103431424209 is an equidigital number, since it uses as much as digits as its factorization.

1103431424209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 1103431424209 in words is "one trillion, one hundred three billion, four hundred thirty-one million, four hundred twenty-four thousand, two hundred nine".