21310230010 has 16 divisors (see below), whose sum is σ = 38483365536. Its totient is φ = 8496325008.

The previous prime is 21310229989. The next prime is 21310230023. The reversal of 21310230010 is 1003201312.

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, 3467652 + ... + 3473791.

It is an arithmetic number, because the mean of its divisors is an integer number (2405210346).

Almost surely, 2^21310230010 is an apocalyptic number.

21310230010 is a deficient number, since it is larger than the sum of its proper divisors (17173135526).

21310230010 is a wasteful number, since it uses less digits than its factorization.

21310230010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6941757.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 21310230010 its reverse (1003201312), we get a palindrome (22313431322).

The spelling of 21310230010 in words is "twenty-one billion, three hundred ten million, two hundred thirty thousand, ten".