20341043131 has 4 divisors (see below), whose sum is σ = 20341539064. Its totient is φ = 20340547200.

The previous prime is 20341043119. The next prime is 20341043141. The reversal of 20341043131 is 13134014302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20341043131 - 2¹⁹ = 20340518843 is a prime.

It is a super-5 number, since 5×20341043131⁵ (a number of 53 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20341043101) 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 3 ways as a sum of consecutive naturals, for example, 180285 + ... + 270526.

It is an arithmetic number, because the mean of its divisors is an integer number (5085384766).

Almost surely, 2^20341043131 is an apocalyptic number.

20341043131 is a deficient number, since it is larger than the sum of its proper divisors (495933).

20341043131 is an equidigital number, since it uses as much as digits as its factorization.

20341043131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495932.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20341043131 its reverse (13134014302), we get a palindrome (33475057433).

The spelling of 20341043131 in words is "twenty billion, three hundred forty-one million, forty-three thousand, one hundred thirty-one".