13021312010309 has 4 divisors (see below), whose sum is σ = 13022599856640. Its totient is φ = 13020024163980.

The previous prime is 13021312010293. The next prime is 13021312010341. The reversal of 13021312010309 is 90301021312031.

13021312010309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 13021312010309 - 2⁴ = 13021312010293 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 (13021312010809) 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, 643907999 + ... + 643928220.

It is an arithmetic number, because the mean of its divisors is an integer number (3255649964160).

Almost surely, 2^{13021312010309} is an apocalyptic number.

It is an amenable number.

13021312010309 is a deficient number, since it is larger than the sum of its proper divisors (1287846331).

13021312010309 is a wasteful number, since it uses less digits than its factorization.

13021312010309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287846330.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 13021312010309 in words is "thirteen trillion, twenty-one billion, three hundred twelve million, ten thousand, three hundred nine".