21025324310 has 8 divisors (see below), whose sum is σ = 37845583776. Its totient is φ = 8410129720.

The previous prime is 21025324297. The next prime is 21025324319. The reversal of 21025324310 is 1342352012.

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

It is a super-2 number, since 2×21025324310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21025324319) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1051266206 + ... + 1051266225.

It is an arithmetic number, because the mean of its divisors is an integer number (4730697972).

Almost surely, 2^21025324310 is an apocalyptic number.

21025324310 is a deficient number, since it is larger than the sum of its proper divisors (16820259466).

21025324310 is a wasteful number, since it uses less digits than its factorization.

21025324310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102532438.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 21025324310 its reverse (1342352012), we get a palindrome (22367676322).

The spelling of 21025324310 in words is "twenty-one billion, twenty-five million, three hundred twenty-four thousand, three hundred ten".