20131301101 has 4 divisors (see below), whose sum is σ = 20131704604. Its totient is φ = 20130897600.

The previous prime is 20131301093. The next prime is 20131301117. The reversal of 20131301101 is 10110313102.

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 3212055625 + 16919245476 = 56675^2 + 130074^2 .

It is a cyclic number.

It is not a de Polignac number, because 20131301101 - 2³ = 20131301093 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 (20131301161) 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, 114270 + ... + 230911.

It is an arithmetic number, because the mean of its divisors is an integer number (5032926151).

Almost surely, 2^20131301101 is an apocalyptic number.

It is an amenable number.

20131301101 is a deficient number, since it is larger than the sum of its proper divisors (403503).

20131301101 is an equidigital number, since it uses as much as digits as its factorization.

20131301101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403502.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 20131301101 its reverse (10110313102), we get a palindrome (30241614203).

The spelling of 20131301101 in words is "twenty billion, one hundred thirty-one million, three hundred one thousand, one hundred one".