2731340231 has 8 divisors (see below), whose sum is σ = 2886287280. Its totient is φ = 2577512448.

The previous prime is 2731340221. The next prime is 2731340237. The reversal of 2731340231 is 1320431372.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2731340231 is a prime.

It is a super-2 number, since 2×2731340231² = 14920438914958266722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2731340231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731340237) 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 7 ways as a sum of consecutive naturals, for example, 274796 + ... + 284561.

It is an arithmetic number, because the mean of its divisors is an integer number (360785910).

Almost surely, 2^2731340231 is an apocalyptic number.

2731340231 is a deficient number, since it is larger than the sum of its proper divisors (154947049).

2731340231 is a wasteful number, since it uses less digits than its factorization.

2731340231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559633.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 2731340231 is about 52262.2256606050. The cubic root of 2731340231 is about 1397.8436584744.

The spelling of 2731340231 in words is "two billion, seven hundred thirty-one million, three hundred forty thousand, two hundred thirty-one".