20131011101 has 8 divisors (see below), whose sum is σ = 20242642104. Its totient is φ = 20019456000.

The previous prime is 20131011067. The next prime is 20131011127. The reversal of 20131011101 is 10111013102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 394975876 + 19736035225 = 19874^2 + 140485^2 .

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 20131011101 - 2³⁰ = 19057269277 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 (20131011181) 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, 561815 + ... + 596571.

It is an arithmetic number, because the mean of its divisors is an integer number (2530330263).

Almost surely, 2^20131011101 is an apocalyptic number.

It is an amenable number.

20131011101 is a deficient number, since it is larger than the sum of its proper divisors (111631003).

20131011101 is a wasteful number, since it uses less digits than its factorization.

20131011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37951.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 20131011101 its reverse (10111013102), we get a palindrome (30242024203).

The spelling of 20131011101 in words is "twenty billion, one hundred thirty-one million, eleven thousand, one hundred one".