20213012110231 has 8 divisors (see below), whose sum is σ = 20220575737824. Its totient is φ = 20205449790240.

The previous prime is 20213012110219. The next prime is 20213012110243. The reversal of 20213012110231 is 13201121031202.

It is an interprime number because it is at equal distance from previous prime (20213012110219) and next prime (20213012110243).

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 20213012110231 - 2⁵ = 20213012110199 is a prime.

It is a super-2 number, since 2×20213012110231² (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 = 20213012110199 and 20213012110208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20273012110231) 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, 31159926 + ... + 31801996.

It is an arithmetic number, because the mean of its divisors is an integer number (2527571967228).

Almost surely, 2^{20213012110231} is an apocalyptic number.

20213012110231 is a deficient number, since it is larger than the sum of its proper divisors (7563627593).

20213012110231 is an equidigital number, since it uses as much as digits as its factorization.

20213012110231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653801.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20213012110231 its reverse (13201121031202), we get a palindrome (33414133141433).

The spelling of 20213012110231 in words is "twenty trillion, two hundred thirteen billion, twelve million, one hundred ten thousand, two hundred thirty-one".