2003312021003 has 8 divisors (see below), whose sum is σ = 2021957147760. Its totient is φ = 1984671732960.

The previous prime is 2003312020961. The next prime is 2003312021033. The reversal of 2003312021003 is 3001202133002.

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

It is a cyclic number.

It is not a de Polignac number, because 2003312021003 - 2⁸ = 2003312020747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003312021033) 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, 375125 + ... + 2036502.

It is an arithmetic number, because the mean of its divisors is an integer number (252744643470).

Almost surely, 2^{2003312021003} is an apocalyptic number.

2003312021003 is a deficient number, since it is larger than the sum of its proper divisors (18645126757).

2003312021003 is a wasteful number, since it uses less digits than its factorization.

2003312021003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419357.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 2003312021003 its reverse (3001202133002), we get a palindrome (5004514154005).

The spelling of 2003312021003 in words is "two trillion, three billion, three hundred twelve million, twenty-one thousand, three".