21031202310230 has 16 divisors (see below), whose sum is σ = 43264187609760. Its totient is φ = 7210697934912.

The previous prime is 21031202310221. The next prime is 21031202310253. The reversal of 21031202310230 is 3201320213012.

It is a super-2 number, since 2×21031202310230² (a number of 27 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 7 ways as a sum of consecutive naturals, for example, 150222873575 + ... + 150222873714.

It is an arithmetic number, because the mean of its divisors is an integer number (2704011725610).

Almost surely, 2^{21031202310230} is an apocalyptic number.

21031202310230 is an abundant number, since it is smaller than the sum of its proper divisors (22232985299530).

21031202310230 is a wasteful number, since it uses less digits than its factorization.

21031202310230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300445747303.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21031202310230 its reverse (3201320213012), we get a palindrome (24232522523242).

The spelling of 21031202310230 in words is "twenty-one trillion, thirty-one billion, two hundred two million, three hundred ten thousand, two hundred thirty".