1003303042401 has 48 divisors (see below), whose sum is σ = 1518200251904. Its totient is φ = 588307104000.

The previous prime is 1003303042393. The next prime is 1003303042439. The reversal of 1003303042401 is 1042403033001.

It is not a de Polignac number, because 1003303042401 - 2³ = 1003303042393 is a prime.

It is a super-2 number, since 2×1003303042401² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003303042451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64550691 + ... + 64566231.

Almost surely, 2^{1003303042401} is an apocalyptic number.

1003303042401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1003303042401 is a deficient number, since it is larger than the sum of its proper divisors (514897209503).

1003303042401 is a wasteful number, since it uses less digits than its factorization.

1003303042401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21334 (or 21323 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1003303042401 its reverse (1042403033001), we get a palindrome (2045706075402).

The spelling of 1003303042401 in words is "one trillion, three billion, three hundred three million, forty-two thousand, four hundred one".