20113132313101 has 4 divisors (see below), whose sum is σ = 20339122563900. Its totient is φ = 19887142062304.

The previous prime is 20113132313093. The next prime is 20113132313147. The reversal of 20113132313101 is 10131323131102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13024231388100 + 7088900925001 = 3608910^2 + 2662499^2 .

It is a cyclic number.

It is not a de Polignac number, because 20113132313101 - 2³ = 20113132313093 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 (20113132313501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112995125266 + ... + 112995125443.

It is an arithmetic number, because the mean of its divisors is an integer number (5084780640975).

Almost surely, 2^{20113132313101} is an apocalyptic number.

It is an amenable number.

20113132313101 is a deficient number, since it is larger than the sum of its proper divisors (225990250799).

20113132313101 is an equidigital number, since it uses as much as digits as its factorization.

20113132313101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225990250798.

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

Adding to 20113132313101 its reverse (10131323131102), we get a palindrome (30244455444203).

The spelling of 20113132313101 in words is "twenty trillion, one hundred thirteen billion, one hundred thirty-two million, three hundred thirteen thousand, one hundred one".