2731147005 has 32 divisors (see below), whose sum is σ = 4426548480. Its totient is φ = 1437765120.

The previous prime is 2731146997. The next prime is 2731147049. The reversal of 2731147005 is 5007411372.

It is not a de Polignac number, because 2731147005 - 2³ = 2731146997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 977160 + ... + 979950.

It is an arithmetic number, because the mean of its divisors is an integer number (138329640).

Almost surely, 2^2731147005 is an apocalyptic number.

It is an amenable number.

2731147005 is a deficient number, since it is larger than the sum of its proper divisors (1695401475).

2731147005 is a wasteful number, since it uses less digits than its factorization.

2731147005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3621.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 2731147005 is about 52260.3770078250. The cubic root of 2731147005 is about 1397.8106946685.

Adding to 2731147005 its reverse (5007411372), we get a palindrome (7738558377).

The spelling of 2731147005 in words is "two billion, seven hundred thirty-one million, one hundred forty-seven thousand, five".