21301011310 has 16 divisors (see below), whose sum is σ = 38991682800. Its totient is φ = 8375990656.

The previous prime is 21301011289. The next prime is 21301011323. The reversal of 21301011310 is 1311010312.

It is a super-2 number, since 2×21301011310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18051115 + ... + 18052294.

It is an arithmetic number, because the mean of its divisors is an integer number (2436980175).

Almost surely, 2^21301011310 is an apocalyptic number.

21301011310 is a deficient number, since it is larger than the sum of its proper divisors (17690671490).

21301011310 is a wasteful number, since it uses less digits than its factorization.

21301011310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36103475.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 21301011310 its reverse (1311010312), we get a palindrome (22612021622).

The spelling of 21301011310 in words is "twenty-one billion, three hundred one million, eleven thousand, three hundred ten".