2731296312 has 24 divisors (see below), whose sum is σ = 7397261040. Its totient is φ = 910432080.

The previous prime is 2731296301. The next prime is 2731296319. The reversal of 2731296312 is 2136921372.

2731296312 is a `hidden beast` number, since 2 + 7 + 3 + 12 + 9 + 631 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731296319) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 18967264 + ... + 18967407.

It is an arithmetic number, because the mean of its divisors is an integer number (308219210).

Almost surely, 2^2731296312 is an apocalyptic number.

It is an amenable number.

2731296312 is an abundant number, since it is smaller than the sum of its proper divisors (4665964728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2731296312 is a wasteful number, since it uses less digits than its factorization.

2731296312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37934683 (or 37934676 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 2731296312 is about 52261.8054797191. The cubic root of 2731296312 is about 1397.8361661545.

The spelling of 2731296312 in words is "two billion, seven hundred thirty-one million, two hundred ninety-six thousand, three hundred twelve".