20131002101 has 8 divisors (see below), whose sum is σ = 23008024320. Its totient is φ = 17254271088.

The previous prime is 20131002097. The next prime is 20131002139. The reversal of 20131002101 is 10120013102.

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 20131002101 - 2² = 20131002097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131002601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103955 + ... + 225983.

It is an arithmetic number, because the mean of its divisors is an integer number (2876003040).

Almost surely, 2^20131002101 is an apocalyptic number.

It is an amenable number.

20131002101 is a deficient number, since it is larger than the sum of its proper divisors (2877022219).

20131002101 is a wasteful number, since it uses less digits than its factorization.

20131002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145603.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 20131002101 its reverse (10120013102), we get a palindrome (30251015203).

The spelling of 20131002101 in words is "twenty billion, one hundred thirty-one million, two thousand, one hundred one".