21013300310 has 8 divisors (see below), whose sum is σ = 37823940576. Its totient is φ = 8405320120.

The previous prime is 21013300271. The next prime is 21013300333. The reversal of 21013300310 is 1300331012.

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

It is a super-2 number, since 2×21013300310² (a number of 21 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050665006 + ... + 1050665025.

It is an arithmetic number, because the mean of its divisors is an integer number (4727992572).

Almost surely, 2^21013300310 is an apocalyptic number.

21013300310 is a deficient number, since it is larger than the sum of its proper divisors (16810640266).

21013300310 is a wasteful number, since it uses less digits than its factorization.

21013300310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101330038.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 21013300310 its reverse (1300331012), we get a palindrome (22313631322).

The spelling of 21013300310 in words is "twenty-one billion, thirteen million, three hundred thousand, three hundred ten".