1103431422173 has 2 divisors, whose sum is σ = 1103431422174. Its totient is φ = 1103431422172.

The previous prime is 1103431422161. The next prime is 1103431422253. The reversal of 1103431422173 is 3712241343011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1013861706649 + 89569715524 = 1006907^2 + 299282^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103431422173 - 2⁴ = 1103431422157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103431422473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551715711086 + 551715711087.

It is an arithmetic number, because the mean of its divisors is an integer number (551715711087).

Almost surely, 2^{1103431422173} is an apocalyptic number.

It is an amenable number.

1103431422173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103431422173 is an equidigital number, since it uses as much as digits as its factorization.

1103431422173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

Adding to 1103431422173 its reverse (3712241343011), we get a palindrome (4815672765184).

The spelling of 1103431422173 in words is "one trillion, one hundred three billion, four hundred thirty-one million, four hundred twenty-two thousand, one hundred seventy-three".