21313524110 has 8 divisors (see below), whose sum is σ = 38364343416. Its totient is φ = 8525409640.

The previous prime is 21313524109. The next prime is 21313524181. The reversal of 21313524110 is 1142531312.

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

It is a Curzon number.

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, 1065676196 + ... + 1065676215.

It is an arithmetic number, because the mean of its divisors is an integer number (4795542927).

Almost surely, 2^21313524110 is an apocalyptic number.

21313524110 is a deficient number, since it is larger than the sum of its proper divisors (17050819306).

21313524110 is a wasteful number, since it uses less digits than its factorization.

21313524110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131352418.

The product of its (nonzero) digits is 720, while the sum is 23.

The spelling of 21313524110 in words is "twenty-one billion, three hundred thirteen million, five hundred twenty-four thousand, one hundred ten".