1001143311003 has 24 divisors (see below), whose sum is σ = 1635987278016. Its totient is φ = 606753520200.

The previous prime is 1001143311001. The next prime is 1001143311041. The reversal of 1001143311003 is 3001133411001.

1001143311003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1001143311003 - 2¹ = 1001143311001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001143311001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187266933 + ... + 187272278.

It is an arithmetic number, because the mean of its divisors is an integer number (68166136584).

Almost surely, 2^{1001143311003} is an apocalyptic number.

1001143311003 is a deficient number, since it is larger than the sum of its proper divisors (634843967013).

1001143311003 is an equidigital number, since it uses as much as digits as its factorization.

1001143311003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374539237 (or 374539225 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1001143311003 its reverse (3001133411001), we get a palindrome (4002276722004).

The spelling of 1001143311003 in words is "one trillion, one billion, one hundred forty-three million, three hundred eleven thousand, three".