21032331301133 has 4 divisors (see below), whose sum is σ = 21032640481788. Its totient is φ = 21032022120480.

The previous prime is 21032331301097. The next prime is 21032331301151. The reversal of 21032331301133 is 33110313323012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17017910326729 + 4014420974404 = 4125277^2 + 2003602^2 .

It is a cyclic number.

It is not a de Polignac number, because 21032331301133 - 2¹⁰ = 21032331300109 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 (21032331301433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154488266 + ... + 154624347.

It is an arithmetic number, because the mean of its divisors is an integer number (5258160120447).

Almost surely, 2^{21032331301133} is an apocalyptic number.

It is an amenable number.

21032331301133 is a deficient number, since it is larger than the sum of its proper divisors (309180655).

21032331301133 is an equidigital number, since it uses as much as digits as its factorization.

21032331301133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309180654.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 21032331301133 its reverse (33110313323012), we get a palindrome (54142644624145).

The spelling of 21032331301133 in words is "twenty-one trillion, thirty-two billion, three hundred thirty-one million, three hundred one thousand, one hundred thirty-three".