20113131203101 has 8 divisors (see below), whose sum is σ = 20777827117824. Its totient is φ = 19449428115360.

The previous prime is 20113131203089. The next prime is 20113131203149. The reversal of 20113131203101 is 10130213131102.

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 20113131203101 - 2⁷ = 20113131202973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113131203201) 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, 248165560 + ... + 248246593.

It is an arithmetic number, because the mean of its divisors is an integer number (2597228389728).

Almost surely, 2^{20113131203101} is an apocalyptic number.

It is an amenable number.

20113131203101 is a deficient number, since it is larger than the sum of its proper divisors (664695914723).

20113131203101 is a wasteful number, since it uses less digits than its factorization.

20113131203101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496413491.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 20113131203101 its reverse (10130213131102), we get a palindrome (30243344334203).

The spelling of 20113131203101 in words is "twenty trillion, one hundred thirteen billion, one hundred thirty-one million, two hundred three thousand, one hundred one".