1003404344101 has 4 divisors (see below), whose sum is σ = 1003774197292. Its totient is φ = 1003034490912.

The previous prime is 1003404344081. The next prime is 1003404344209. The reversal of 1003404344101 is 1014434043001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 834754495201 + 168649848900 = 913649^2 + 410670^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003404344101 - 2¹⁹ = 1003403819813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003404344401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184922526 + ... + 184927951.

It is an arithmetic number, because the mean of its divisors is an integer number (250943549323).

Almost surely, 2^{1003404344101} is an apocalyptic number.

It is an amenable number.

1003404344101 is a deficient number, since it is larger than the sum of its proper divisors (369853191).

1003404344101 is an equidigital number, since it uses as much as digits as its factorization.

1003404344101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369853190.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1003404344101 its reverse (1014434043001), we get a palindrome (2017838387102).

The spelling of 1003404344101 in words is "one trillion, three billion, four hundred four million, three hundred forty-four thousand, one hundred one".