20310312112230 has 64 divisors (see below), whose sum is σ = 56334220485120. Its totient is φ = 4590195734784.

The previous prime is 20310312112133. The next prime is 20310312112261. The reversal of 20310312112230 is 3221121301302.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 20310312112197 and 20310312112206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 543328344 + ... + 543365723.

It is an arithmetic number, because the mean of its divisors is an integer number (880222195080).

Almost surely, 2^{20310312112230} is an apocalyptic number.

20310312112230 is an abundant number, since it is smaller than the sum of its proper divisors (36023908372890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20310312112230 is a wasteful number, since it uses less digits than its factorization.

20310312112230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086694173.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20310312112230 its reverse (3221121301302), we get a palindrome (23531433413532).

The spelling of 20310312112230 in words is "twenty trillion, three hundred ten billion, three hundred twelve million, one hundred twelve thousand, two hundred thirty".