1000001304403 has 2 divisors, whose sum is σ = 1000001304404. Its totient is φ = 1000001304402.

The previous prime is 1000001304391. The next prime is 1000001304461. The reversal of 1000001304403 is 3044031000001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000001304403 - 2¹⁷ = 1000001173331 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000001004403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500000652201 + 500000652202.

It is an arithmetic number, because the mean of its divisors is an integer number (500000652202).

Almost surely, 2^{1000001304403} is an apocalyptic number.

1000001304403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000001304403 is an equidigital number, since it uses as much as digits as its factorization.

1000001304403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1000001304403 its reverse (3044031000001), we get a palindrome (4044032304404).

It can be divided in two parts, 1000001 and 304403, that multiplied together give a palindrome (304403304403).

The spelling of 1000001304403 in words is "one trillion, one million, three hundred four thousand, four hundred three".