131314697 has 4 divisors (see below), whose sum is σ = 135842820. Its totient is φ = 126786576.

The previous prime is 131314693. The next prime is 131314709. The reversal of 131314697 is 796413131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43349056 + 87965641 = 6584^2 + 9379^2 .

It is a cyclic number.

It is not a de Polignac number, because 131314697 - 2² = 131314693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131314693) 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, 2264018 + ... + 2264075.

It is an arithmetic number, because the mean of its divisors is an integer number (33960705).

Almost surely, 2^131314697 is an apocalyptic number.

It is an amenable number.

131314697 is a deficient number, since it is larger than the sum of its proper divisors (4528123).

131314697 is an equidigital number, since it uses as much as digits as its factorization.

131314697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528122.

The product of its digits is 13608, while the sum is 35.

The square root of 131314697 is about 11459.2624980842. The cubic root of 131314697 is about 508.2816666530.

The spelling of 131314697 in words is "one hundred thirty-one million, three hundred fourteen thousand, six hundred ninety-seven".