21300332313310 has 16 divisors (see below), whose sum is σ = 38341106481600. Its totient is φ = 8520019965856.

The previous prime is 21300332313187. The next prime is 21300332313331. The reversal of 21300332313310 is 1331323300312.

It is a super-2 number, since 2×21300332313310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13325830 + ... + 14838409.

It is an arithmetic number, because the mean of its divisors is an integer number (2396319155100).

Almost surely, 2^{21300332313310} is an apocalyptic number.

21300332313310 is a deficient number, since it is larger than the sum of its proper divisors (17040774168290).

21300332313310 is a wasteful number, since it uses less digits than its factorization.

21300332313310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28239875.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 21300332313310 its reverse (1331323300312), we get a palindrome (22631655613622).

The spelling of 21300332313310 in words is "twenty-one trillion, three hundred billion, three hundred thirty-two million, three hundred thirteen thousand, three hundred ten".