21313230010 has 16 divisors (see below), whose sum is σ = 38639815200. Its totient is φ = 8463958416.

The previous prime is 21313230007. The next prime is 21313230067. The reversal of 21313230010 is 1003231312.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7665240 + ... + 7668019.

It is an arithmetic number, because the mean of its divisors is an integer number (2414988450).

Almost surely, 2^21313230010 is an apocalyptic number.

21313230010 is a deficient number, since it is larger than the sum of its proper divisors (17326585190).

21313230010 is a wasteful number, since it uses less digits than its factorization.

21313230010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15333405.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21313230010 its reverse (1003231312), we get a palindrome (22316461322).

The spelling of 21313230010 in words is "twenty-one billion, three hundred thirteen million, two hundred thirty thousand, ten".