2131314071 has 4 divisors (see below), whose sum is σ = 2188917192. Its totient is φ = 2073710952.

The previous prime is 2131314043. The next prime is 2131314083. The reversal of 2131314071 is 1704131312.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2131314071 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 (2131314001) 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 3 ways as a sum of consecutive naturals, for example, 28801505 + ... + 28801578.

It is an arithmetic number, because the mean of its divisors is an integer number (547229298).

Almost surely, 2^2131314071 is an apocalyptic number.

2131314071 is a deficient number, since it is larger than the sum of its proper divisors (57603121).

2131314071 is an equidigital number, since it uses as much as digits as its factorization.

2131314071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57603120.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2131314071 is about 46166.1572041685. The cubic root of 2131314071 is about 1286.9128895197.

Adding to 2131314071 its reverse (1704131312), we get a palindrome (3835445383).

The spelling of 2131314071 in words is "two billion, one hundred thirty-one million, three hundred fourteen thousand, seventy-one".