9131438314 has 4 divisors (see below), whose sum is σ = 13697157474. Its totient is φ = 4565719156.

The previous prime is 9131438299. The next prime is 9131438321. The reversal of 9131438314 is 4138341319.

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

It can be written as a sum of positive squares in only one way, i.e., 4895381089 + 4236057225 = 69967^2 + 65085^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2282859577 + ... + 2282859580.

Almost surely, 2^9131438314 is an apocalyptic number.

9131438314 is a deficient number, since it is larger than the sum of its proper divisors (4565719160).

9131438314 is a wasteful number, since it uses less digits than its factorization.

9131438314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4565719159.

The product of its digits is 31104, while the sum is 37.

The square root of 9131438314 is about 95558.5596061389. The cubic root of 9131438314 is about 2090.1609511054.

The spelling of 9131438314 in words is "nine billion, one hundred thirty-one million, four hundred thirty-eight thousand, three hundred fourteen".