20131313202101 has 8 divisors (see below), whose sum is σ = 20135894605344. Its totient is φ = 20126732337040.

The previous prime is 20131313202073. The next prime is 20131313202103. The reversal of 20131313202101 is 10120231313102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20131313202101 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 (20131313202103) 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, 80024246 + ... + 80275416.

It is an arithmetic number, because the mean of its divisors is an integer number (2516986825668).

Almost surely, 2^{20131313202101} is an apocalyptic number.

It is an amenable number.

20131313202101 is a deficient number, since it is larger than the sum of its proper divisors (4581403243).

20131313202101 is an equidigital number, since it uses as much as digits as its factorization.

20131313202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269091.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20131313202101 its reverse (10120231313102), we get a palindrome (30251544515203).

The spelling of 20131313202101 in words is "twenty trillion, one hundred thirty-one billion, three hundred thirteen million, two hundred two thousand, one hundred one".