21300311104303 has 32 divisors (see below), whose sum is σ = 27006610176000. Its totient is φ = 16317151630560.

The previous prime is 21300311104297. The next prime is 21300311104307. The reversal of 21300311104303 is 30340111300312.

It is not a de Polignac number, because 21300311104303 - 2¹³ = 21300311096111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21300311104307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1562701 + ... + 6711382.

It is an arithmetic number, because the mean of its divisors is an integer number (843956568000).

Almost surely, 2^{21300311104303} is an apocalyptic number.

21300311104303 is a deficient number, since it is larger than the sum of its proper divisors (5706299071697).

21300311104303 is a wasteful number, since it uses less digits than its factorization.

21300311104303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8274667.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21300311104303 its reverse (30340111300312), we get a palindrome (51640422404615).

The spelling of 21300311104303 in words is "twenty-one trillion, three hundred billion, three hundred eleven million, one hundred four thousand, three hundred three".