131314109 has 4 divisors (see below), whose sum is σ = 135550080. Its totient is φ = 127078140.

The previous prime is 131314081. The next prime is 131314123. The reversal of 131314109 is 901413131.

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 131314109 - 2¹⁶ = 131248573 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 (131314129) 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, 2117939 + ... + 2118000.

It is an arithmetic number, because the mean of its divisors is an integer number (33887520).

Almost surely, 2^131314109 is an apocalyptic number.

It is an amenable number.

131314109 is a deficient number, since it is larger than the sum of its proper divisors (4235971).

131314109 is an equidigital number, since it uses as much as digits as its factorization.

131314109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4235970.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 131314109 is about 11459.2368419542. The cubic root of 131314109 is about 508.2809079919.

The spelling of 131314109 in words is "one hundred thirty-one million, three hundred fourteen thousand, one hundred nine".