2103204020413 has 4 divisors (see below), whose sum is σ = 2137682774908. Its totient is φ = 2068725265920.

The previous prime is 2103204020381. The next prime is 2103204020441. The reversal of 2103204020413 is 3140204023012.

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 946723162009 + 1156480858404 = 972997^2 + 1075398^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103204020413 - 2⁵ = 2103204020381 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 (2103204027413) 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, 17239377156 + ... + 17239377277.

It is an arithmetic number, because the mean of its divisors is an integer number (534420693727).

Almost surely, 2^{2103204020413} is an apocalyptic number.

It is an amenable number.

2103204020413 is a deficient number, since it is larger than the sum of its proper divisors (34478754495).

2103204020413 is an equidigital number, since it uses as much as digits as its factorization.

2103204020413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34478754494.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2103204020413 its reverse (3140204023012), we get a palindrome (5243408043425).

The spelling of 2103204020413 in words is "two trillion, one hundred three billion, two hundred four million, twenty thousand, four hundred thirteen".