13103301203021 has 4 divisors (see below), whose sum is σ = 13150605539772. Its totient is φ = 13055996866272.

The previous prime is 13103301202991. The next prime is 13103301203033. The reversal of 13103301203021 is 12030210330131.

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 3212747947396 + 9890553255625 = 1792414^2 + 3144925^2 .

It is a cyclic number.

It is not a de Polignac number, because 13103301203021 - 2¹⁰ = 13103301201997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13103301202984 and 13103301203002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13103301203221) 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, 23652167960 + ... + 23652168513.

It is an arithmetic number, because the mean of its divisors is an integer number (3287651384943).

Almost surely, 2^{13103301203021} is an apocalyptic number.

It is an amenable number.

13103301203021 is a deficient number, since it is larger than the sum of its proper divisors (47304336751).

13103301203021 is an equidigital number, since it uses as much as digits as its factorization.

13103301203021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47304336750.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13103301203021 its reverse (12030210330131), we get a palindrome (25133511533152).

The spelling of 13103301203021 in words is "thirteen trillion, one hundred three billion, three hundred one million, two hundred three thousand, twenty-one".