20030002131013 has 4 divisors (see below), whose sum is σ = 22891431006880. Its totient is φ = 17168573255148.

The previous prime is 20030002131011. The next prime is 20030002131023. The reversal of 20030002131013 is 31013120003002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20030002131013 - 2¹ = 20030002131011 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 (20030002131011) 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, 1430714437923 + ... + 1430714437936.

It is an arithmetic number, because the mean of its divisors is an integer number (5722857751720).

Almost surely, 2^{20030002131013} is an apocalyptic number.

It is an amenable number.

20030002131013 is a deficient number, since it is larger than the sum of its proper divisors (2861428875867).

20030002131013 is an equidigital number, since it uses as much as digits as its factorization.

20030002131013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861428875866.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20030002131013 its reverse (31013120003002), we get a palindrome (51043122134015).

The spelling of 20030002131013 in words is "twenty trillion, thirty billion, two million, one hundred thirty-one thousand, thirteen".