20113342120231 has 2 divisors, whose sum is σ = 20113342120232. Its totient is φ = 20113342120230.

The previous prime is 20113342120229. The next prime is 20113342120273. The reversal of 20113342120231 is 13202124331102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20113342120231 - 2¹ = 20113342120229 is a prime.

It is a super-2 number, since 2×20113342120231² (a number of 27 digits) contains 22 as substring.

Together with 20113342120229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 20113342120196 and 20113342120205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20113342120211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056671060115 + 10056671060116.

It is an arithmetic number, because the mean of its divisors is an integer number (10056671060116).

Almost surely, 2^{20113342120231} is an apocalyptic number.

20113342120231 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113342120231 is an equidigital number, since it uses as much as digits as its factorization.

20113342120231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 20113342120231 its reverse (13202124331102), we get a palindrome (33315466451333).

The spelling of 20113342120231 in words is "twenty trillion, one hundred thirteen billion, three hundred forty-two million, one hundred twenty thousand, two hundred thirty-one".