2003313021011 has 16 divisors (see below), whose sum is σ = 2044580542560. Its totient is φ = 1962176935680.

The previous prime is 2003313021007. The next prime is 2003313021019. The reversal of 2003313021011 is 1101203133002.

It is a cyclic number.

It is not a de Polignac number, because 2003313021011 - 2² = 2003313021007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003313021019) 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, 77236601 + ... + 77262533.

It is an arithmetic number, because the mean of its divisors is an integer number (127786283910).

Almost surely, 2^{2003313021011} is an apocalyptic number.

2003313021011 is a deficient number, since it is larger than the sum of its proper divisors (41267521549).

2003313021011 is a wasteful number, since it uses less digits than its factorization.

2003313021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28406.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 2003313021011 its reverse (1101203133002), we get a palindrome (3104516154013).

The spelling of 2003313021011 in words is "two trillion, three billion, three hundred thirteen million, twenty-one thousand, eleven".