20131011013101 has 32 divisors (see below), whose sum is σ = 27117422911488. Its totient is φ = 13283368614720.

The previous prime is 20131011013049. The next prime is 20131011013159. The reversal of 20131011013101 is 10131011013102.

It is not a de Polignac number, because 20131011013101 - 2¹¹ = 20131011011053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131011013801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 545729680 + ... + 545766566.

It is an arithmetic number, because the mean of its divisors is an integer number (847419465984).

Almost surely, 2^{20131011013101} is an apocalyptic number.

It is an amenable number.

20131011013101 is a deficient number, since it is larger than the sum of its proper divisors (6986411898387).

20131011013101 is a wasteful number, since it uses less digits than its factorization.

20131011013101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41801.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 20131011013101 its reverse (10131011013102), we get a palindrome (30262022026203).

Subtracting from 20131011013101 its reverse (10131011013102), we obtain a palindrome (9999999999999).

The spelling of 20131011013101 in words is "twenty trillion, one hundred thirty-one billion, eleven million, thirteen thousand, one hundred one".