21031200032341 has 2 divisors, whose sum is σ = 21031200032342. Its totient is φ = 21031200032340.

The previous prime is 21031200032287. The next prime is 21031200032357. The reversal of 21031200032341 is 14323000213012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16887817651441 + 4143382380900 = 4109479^2 + 2035530^2 .

It is a cyclic number.

It is not a de Polignac number, because 21031200032341 - 2¹⁵ = 21031199999573 is a prime.

It is a super-2 number, since 2×21031200032341² (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 (21031200035341) 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 as a sum of consecutive naturals, namely, 10515600016170 + 10515600016171.

It is an arithmetic number, because the mean of its divisors is an integer number (10515600016171).

Almost surely, 2^{21031200032341} is an apocalyptic number.

It is an amenable number.

21031200032341 is a deficient number, since it is larger than the sum of its proper divisors (1).

21031200032341 is an equidigital number, since it uses as much as digits as its factorization.

21031200032341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21031200032341 its reverse (14323000213012), we get a palindrome (35354200245353).

The spelling of 21031200032341 in words is "twenty-one trillion, thirty-one billion, two hundred million, thirty-two thousand, three hundred forty-one".