13103114021 has 4 divisors (see below), whose sum is σ = 13873885452. Its totient is φ = 12332342592.

The previous prime is 13103113999. The next prime is 13103114033. The reversal of 13103114021 is 12041130131.

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 8863281025 + 4239832996 = 94145^2 + 65114^2 .

It is a cyclic number.

It is not a de Polignac number, because 13103114021 - 2³⁰ = 12029372197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 770771413 = 13103114021 / (1 + 3 + 1 + 0 + 3 + 1 + 1 + 4 + 0 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13103114221) 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, 385385690 + ... + 385385723.

It is an arithmetic number, because the mean of its divisors is an integer number (3468471363).

Almost surely, 2^13103114021 is an apocalyptic number.

It is an amenable number.

13103114021 is a deficient number, since it is larger than the sum of its proper divisors (770771431).

13103114021 is an equidigital number, since it uses as much as digits as its factorization.

13103114021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770771430.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13103114021 its reverse (12041130131), we get a palindrome (25144244152).

The spelling of 13103114021 in words is "thirteen billion, one hundred three million, one hundred fourteen thousand, twenty-one".