2731473071 has 4 divisors (see below), whose sum is σ = 2737176000. Its totient is φ = 2725770144.

The previous prime is 2731473049. The next prime is 2731473109. The reversal of 2731473071 is 1703741372.

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-2731473071 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 (2731473001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2850746 + ... + 2851703.

It is an arithmetic number, because the mean of its divisors is an integer number (684294000).

Almost surely, 2^2731473071 is an apocalyptic number.

2731473071 is a deficient number, since it is larger than the sum of its proper divisors (5702929).

2731473071 is an equidigital number, since it uses as much as digits as its factorization.

2731473071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5702928.

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 2731473071 is about 52263.4965439550. The cubic root of 2731473071 is about 1397.8663196988.

The spelling of 2731473071 in words is "two billion, seven hundred thirty-one million, four hundred seventy-three thousand, seventy-one".