13112351309 has 8 divisors (see below), whose sum is σ = 13235596440. Its totient is φ = 12989160000.

The previous prime is 13112351281. The next prime is 13112351321. The reversal of 13112351309 is 90315321131.

13112351309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3522066409 + 9590284900 = 59347^2 + 97930^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13112351309 - 2²⁰ = 13111302733 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 (13112351339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610859 + ... + 631959.

It is an arithmetic number, because the mean of its divisors is an integer number (1654449555).

Almost surely, 2^13112351309 is an apocalyptic number.

It is an amenable number.

13112351309 is a deficient number, since it is larger than the sum of its proper divisors (123245131).

13112351309 is a wasteful number, since it uses less digits than its factorization.

13112351309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26911.

The product of its (nonzero) digits is 2430, while the sum is 29.

The spelling of 13112351309 in words is "thirteen billion, one hundred twelve million, three hundred fifty-one thousand, three hundred nine".