21333032301331 has 8 divisors (see below), whose sum is σ = 22021585081344. Its totient is φ = 20644503924360.

The previous prime is 21333032301233. The next prime is 21333032301341. The reversal of 21333032301331 is 13310323033312.

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

It is a cyclic number.

It is not a de Polignac number, because 21333032301331 - 2¹⁵ = 21333032268563 is a prime.

It is a super-2 number, since 2×21333032301331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21333032301331.

It is not an unprimeable number, because it can be changed into a prime (21333032301341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4315861 + ... + 7828966.

It is an arithmetic number, because the mean of its divisors is an integer number (2752698135168).

Almost surely, 2^{21333032301331} is an apocalyptic number.

21333032301331 is a deficient number, since it is larger than the sum of its proper divisors (688552780013).

21333032301331 is a wasteful number, since it uses less digits than its factorization.

21333032301331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12201521.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 21333032301331 its reverse (13310323033312), we get a palindrome (34643355334643).

The spelling of 21333032301331 in words is "twenty-one trillion, three hundred thirty-three billion, thirty-two million, three hundred one thousand, three hundred thirty-one".