21310032301303 has 8 divisors (see below), whose sum is σ = 22431753902720. Its totient is φ = 20188324795320.

The previous prime is 21310032301253. The next prime is 21310032301387. The reversal of 21310032301303 is 30310323001312.

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

It is a de Polignac number, because none of the positive numbers 2^k-21310032301303 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 (21310032331303) 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, 347163 + ... + 6537628.

It is an arithmetic number, because the mean of its divisors is an integer number (2803969237840).

Almost surely, 2^{21310032301303} is an apocalyptic number.

21310032301303 is a deficient number, since it is larger than the sum of its proper divisors (1121721601417).

21310032301303 is a wasteful number, since it uses less digits than its factorization.

21310032301303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7047717.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 21310032301303 its reverse (30310323001312), we get a palindrome (51620355302615).

The spelling of 21310032301303 in words is "twenty-one trillion, three hundred ten billion, thirty-two million, three hundred one thousand, three hundred three".