20213201103231 has 8 divisors (see below), whose sum is σ = 27027283062960. Its totient is φ = 13437293272832.

The previous prime is 20213201103209. The next prime is 20213201103239. The reversal of 20213201103231 is 13230110231202.

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

It is a cyclic number.

It is not a de Polignac number, because 20213201103231 - 2⁶ = 20213201103167 is a prime.

It is a super-2 number, since 2×20213201103231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20213201103198 and 20213201103207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213201103239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9543531096 + ... + 9543533213.

It is an arithmetic number, because the mean of its divisors is an integer number (3378410382870).

Almost surely, 2^{20213201103231} is an apocalyptic number.

20213201103231 is a deficient number, since it is larger than the sum of its proper divisors (6814081959729).

20213201103231 is a wasteful number, since it uses less digits than its factorization.

20213201103231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19087064665.

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

Adding to 20213201103231 its reverse (13230110231202), we get a palindrome (33443311334433).

The spelling of 20213201103231 in words is "twenty trillion, two hundred thirteen billion, two hundred one million, one hundred three thousand, two hundred thirty-one".