21304020011341 has 2 divisors, whose sum is σ = 21304020011342. Its totient is φ = 21304020011340.

The previous prime is 21304020011293. The next prime is 21304020011353. The reversal of 21304020011341 is 14311002040312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20651889469225 + 652130542116 = 4544435^2 + 807546^2 .

It is a cyclic number.

It is not a de Polignac number, because 21304020011341 - 2³¹ = 21301872527693 is a prime.

It is a super-2 number, since 2×21304020011341² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21304020011741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10652010005670 + 10652010005671.

It is an arithmetic number, because the mean of its divisors is an integer number (10652010005671).

Almost surely, 2^{21304020011341} is an apocalyptic number.

It is an amenable number.

21304020011341 is a deficient number, since it is larger than the sum of its proper divisors (1).

21304020011341 is an equidigital number, since it uses as much as digits as its factorization.

21304020011341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21304020011341 its reverse (14311002040312), we get a palindrome (35615022051653).

The spelling of 21304020011341 in words is "twenty-one trillion, three hundred four billion, twenty million, eleven thousand, three hundred forty-one".