1003343442401 has 4 divisors (see below), whose sum is σ = 1005438105600. Its totient is φ = 1001248779204.

The previous prime is 1003343442397. The next prime is 1003343442421. The reversal of 1003343442401 is 1042443433001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1003343442401 - 2² = 1003343442397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003343442421) 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, 1047330881 + ... + 1047331838.

It is an arithmetic number, because the mean of its divisors is an integer number (251359526400).

Almost surely, 2^{1003343442401} is an apocalyptic number.

It is an amenable number.

1003343442401 is a deficient number, since it is larger than the sum of its proper divisors (2094663199).

1003343442401 is an equidigital number, since it uses as much as digits as its factorization.

1003343442401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094663198.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1003343442401 its reverse (1042443433001), we get a palindrome (2045786875402).

The spelling of 1003343442401 in words is "one trillion, three billion, three hundred forty-three million, four hundred forty-two thousand, four hundred one".