20213131101313 has 8 divisors (see below), whose sum is σ = 20731171980960. Its totient is φ = 19696282492320.

The previous prime is 20213131101221. The next prime is 20213131101337. The reversal of 20213131101313 is 31310113131202.

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 20213131101313 - 2⁹ = 20213131100801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20213131101113) 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, 298033323 + ... + 298101136.

It is an arithmetic number, because the mean of its divisors is an integer number (2591396497620).

Almost surely, 2^{20213131101313} is an apocalyptic number.

It is an amenable number.

20213131101313 is a deficient number, since it is larger than the sum of its proper divisors (518040879647).

20213131101313 is an equidigital number, since it uses as much as digits as its factorization.

20213131101313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596135327.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 20213131101313 its reverse (31310113131202), we get a palindrome (51523244232515).

The spelling of 20213131101313 in words is "twenty trillion, two hundred thirteen billion, one hundred thirty-one million, one hundred one thousand, three hundred thirteen".