2001313303203 has 16 divisors (see below), whose sum is σ = 2708387963136. Its totient is φ = 1314225860640.

The previous prime is 2001313303189. The next prime is 2001313303219. The reversal of 2001313303203 is 3023033131002.

It is not a de Polignac number, because 2001313303203 - 2⁶ = 2001313303139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2001313303203.

It is not an unprimeable number, because it can be changed into a prime (2001313303903) 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, 3698650 + ... + 4205072.

It is an arithmetic number, because the mean of its divisors is an integer number (169274247696).

Almost surely, 2^{2001313303203} is an apocalyptic number.

2001313303203 is a deficient number, since it is larger than the sum of its proper divisors (707074659933).

2001313303203 is a wasteful number, since it uses less digits than its factorization.

2001313303203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526154.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 2001313303203 its reverse (3023033131002), we get a palindrome (5024346434205).

The spelling of 2001313303203 in words is "two trillion, one billion, three hundred thirteen million, three hundred three thousand, two hundred three".