13021113013 has 6 divisors (see below), whose sum is σ = 13485600674. Its totient is φ = 12572108304.

The previous prime is 13021112987. The next prime is 13021113037. The reversal of 13021113013 is 31031112031.

It can be written as a sum of positive squares in 3 ways, for example, as 820364164 + 12200748849 = 28642^2 + 110457^2 .

It is not a de Polignac number, because 13021113013 - 2¹³ = 13021104821 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 (13021113113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7740606 + ... + 7742287.

Almost surely, 2^13021113013 is an apocalyptic number.

It is an amenable number.

13021113013 is a deficient number, since it is larger than the sum of its proper divisors (464487661).

13021113013 is an equidigital number, since it uses as much as digits as its factorization.

13021113013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15482951 (or 15482922 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 13021113013 its reverse (31031112031), we get a palindrome (44052225044).

The spelling of 13021113013 in words is "thirteen billion, twenty-one million, one hundred thirteen thousand, thirteen".