13231131109 has 8 divisors (see below), whose sum is σ = 15177507840. Its totient is φ = 11298808176.

The previous prime is 13231131107. The next prime is 13231131149. The reversal of 13231131109 is 90113113231.

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 13231131109 - 2¹ = 13231131107 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 (13231131101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3511429 + ... + 3515194.

It is an arithmetic number, because the mean of its divisors is an integer number (1897188480).

Almost surely, 2^13231131109 is an apocalyptic number.

It is an amenable number.

13231131109 is a deficient number, since it is larger than the sum of its proper divisors (1946376731).

13231131109 is an equidigital number, since it uses as much as digits as its factorization.

13231131109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7026899.

The product of its (nonzero) digits is 486, while the sum is 25.

The spelling of 13231131109 in words is "thirteen billion, two hundred thirty-one million, one hundred thirty-one thousand, one hundred nine".