1001313211003 has 16 divisors (see below), whose sum is σ = 1148298540480. Its totient is φ = 855315449856.

The previous prime is 1001313211001. The next prime is 1001313211007. The reversal of 1001313211003 is 3001123131001.

It is not a de Polignac number, because 1001313211003 - 2¹ = 1001313211001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001313211001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4922625 + ... + 5121997.

It is an arithmetic number, because the mean of its divisors is an integer number (71768658780).

Almost surely, 2^{1001313211003} is an apocalyptic number.

1001313211003 is a deficient number, since it is larger than the sum of its proper divisors (146985329477).

1001313211003 is a wasteful number, since it uses less digits than its factorization.

1001313211003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201846.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1001313211003 its reverse (3001123131001), we get a palindrome (4002436342004).

The spelling of 1001313211003 in words is "one trillion, one billion, three hundred thirteen million, two hundred eleven thousand, three".