2001231303 has 8 divisors (see below), whose sum is σ = 2683732848. Its totient is φ = 1326441984.

The previous prime is 2001231299. The next prime is 2001231371. The reversal of 2001231303 is 3031321002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2001231303 - 2² = 2001231299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001231503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1927450 + ... + 1928487.

It is an arithmetic number, because the mean of its divisors is an integer number (335466606).

Almost surely, 2^2001231303 is an apocalyptic number.

2001231303 is a deficient number, since it is larger than the sum of its proper divisors (682501545).

2001231303 is a wasteful number, since it uses less digits than its factorization.

2001231303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3856113.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2001231303 is about 44735.1238178682. The cubic root of 2001231303 is about 1260.1795542807.

Adding to 2001231303 its reverse (3031321002), we get a palindrome (5032552305).

It can be divided in two parts, 20012 and 31303, that added together give a palindrome (51315).

The spelling of 2001231303 in words is "two billion, one million, two hundred thirty-one thousand, three hundred three".