21310321033010 has 16 divisors (see below), whose sum is σ = 38931093948096. Its totient is φ = 8396902615728.

The previous prime is 21310321033009. The next prime is 21310321033063. The reversal of 21310321033010 is 1033012301312.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15903223982 + ... + 15903225321.

It is an arithmetic number, because the mean of its divisors is an integer number (2433193371756).

Almost surely, 2^{21310321033010} is an apocalyptic number.

21310321033010 is a deficient number, since it is larger than the sum of its proper divisors (17620772915086).

21310321033010 is a wasteful number, since it uses less digits than its factorization.

21310321033010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31806449377.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 21310321033010 its reverse (1033012301312), we get a palindrome (22343333334322).

The spelling of 21310321033010 in words is "twenty-one trillion, three hundred ten billion, three hundred twenty-one million, thirty-three thousand, ten".