2001303022303 has 16 divisors (see below), whose sum is σ = 2163904606080. Its totient is φ = 1839941985024.

The previous prime is 2001303022177. The next prime is 2001303022373. The reversal of 2001303022303 is 3032203031002.

It is a happy number.

It is not a de Polignac number, because 2001303022303 - 2¹³ = 2001303014111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001303022373) 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, 11921850 + ... + 12088552.

It is an arithmetic number, because the mean of its divisors is an integer number (135244037880).

Almost surely, 2^{2001303022303} is an apocalyptic number.

2001303022303 is a deficient number, since it is larger than the sum of its proper divisors (162601583777).

2001303022303 is a wasteful number, since it uses less digits than its factorization.

2001303022303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170418.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 2001303022303 its reverse (3032203031002), we get a palindrome (5033506053305).

The spelling of 2001303022303 in words is "two trillion, one billion, three hundred three million, twenty-two thousand, three hundred three".