20213043100131 has 8 divisors (see below), whose sum is σ = 30800827581184. Its totient is φ = 11550310342920.

The previous prime is 20213043100123. The next prime is 20213043100169. The reversal of 20213043100131 is 13100134031202.

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

It is not a de Polignac number, because 20213043100131 - 2³ = 20213043100123 is a prime.

It is a super-2 number, since 2×20213043100131² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 962525861911 = 20213043100131 / (2 + 0 + 2 + 1 + 3 + 0 + 4 + 3 + 1 + 0 + 0 + 1 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20213043100098 and 20213043100107.

It is not an unprimeable number, because it can be changed into a prime (20213043105131) 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, 481262930935 + ... + 481262930976.

It is an arithmetic number, because the mean of its divisors is an integer number (3850103447648).

Almost surely, 2^{20213043100131} is an apocalyptic number.

20213043100131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20213043100131 is a deficient number, since it is larger than the sum of its proper divisors (10587784481053).

20213043100131 is an equidigital number, since it uses as much as digits as its factorization.

20213043100131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962525861921.

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

Adding to 20213043100131 its reverse (13100134031202), we get a palindrome (33313177131333).

The spelling of 20213043100131 in words is "twenty trillion, two hundred thirteen billion, forty-three million, one hundred thousand, one hundred thirty-one".