20112320103231 has 8 divisors (see below), whose sum is σ = 26903776729984. Its totient is φ = 13364538439320.

The previous prime is 20112320103223. The next prime is 20112320103257. The reversal of 20112320103231 is 13230102321102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20112320103231 - 2³ = 20112320103223 is a prime.

It is a super-2 number, since 2×20112320103231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20112320103198 and 20112320103207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112320105231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10918739635 + ... + 10918741476.

It is an arithmetic number, because the mean of its divisors is an integer number (3362972091248).

Almost surely, 2^{20112320103231} is an apocalyptic number.

20112320103231 is a deficient number, since it is larger than the sum of its proper divisors (6791456626753).

20112320103231 is a wasteful number, since it uses less digits than its factorization.

20112320103231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21837481421.

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

Adding to 20112320103231 its reverse (13230102321102), we get a palindrome (33342422424333).

The spelling of 20112320103231 in words is "twenty trillion, one hundred twelve billion, three hundred twenty million, one hundred three thousand, two hundred thirty-one".