21313301332310 has 32 divisors (see below), whose sum is σ = 41315272532352. Its totient is φ = 7869477571200.

The previous prime is 21313301332307. The next prime is 21313301332321. The reversal of 21313301332310 is 1323310331312.

It is a super-2 number, since 2×21313301332310² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 21313301332310.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 25478012 + ... + 26301248.

It is an arithmetic number, because the mean of its divisors is an integer number (1291102266636).

Almost surely, 2^{21313301332310} is an apocalyptic number.

21313301332310 is a deficient number, since it is larger than the sum of its proper divisors (20001971200042).

21313301332310 is a wasteful number, since it uses less digits than its factorization.

21313301332310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022408.

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

Adding to 21313301332310 its reverse (1323310331312), we get a palindrome (22636611663622).

The spelling of 21313301332310 in words is "twenty-one trillion, three hundred thirteen billion, three hundred one million, three hundred thirty-two thousand, three hundred ten".