21304144310 has 8 divisors (see below), whose sum is σ = 38347459776. Its totient is φ = 8521657720.

The previous prime is 21304144297. The next prime is 21304144321. The reversal of 21304144310 is 1344140312.

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

It is a super-2 number, since 2×21304144310² (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 3 ways as a sum of consecutive naturals, for example, 1065207206 + ... + 1065207225.

It is an arithmetic number, because the mean of its divisors is an integer number (4793432472).

Almost surely, 2^21304144310 is an apocalyptic number.

21304144310 is a deficient number, since it is larger than the sum of its proper divisors (17043315466).

21304144310 is a wasteful number, since it uses less digits than its factorization.

21304144310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130414438.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21304144310 its reverse (1344140312), we get a palindrome (22648284622).

The spelling of 21304144310 in words is "twenty-one billion, three hundred four million, one hundred forty-four thousand, three hundred ten".