271140043231 has 4 divisors (see below), whose sum is σ = 271578073000. Its totient is φ = 270702013464.

The previous prime is 271140043193. The next prime is 271140043271. The reversal of 271140043231 is 132340041172.

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-271140043231 is a prime.

It is a super-2 number, since 2×271140043231² (a number of 24 digits) 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 271140043231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271140043271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219013956 + ... + 219015193.

It is an arithmetic number, because the mean of its divisors is an integer number (67894518250).

Almost surely, 2^271140043231 is an apocalyptic number.

271140043231 is a deficient number, since it is larger than the sum of its proper divisors (438029769).

271140043231 is an equidigital number, since it uses as much as digits as its factorization.

271140043231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438029768.

The product of its (nonzero) digits is 4032, while the sum is 28.

The spelling of 271140043231 in words is "two hundred seventy-one billion, one hundred forty million, forty-three thousand, two hundred thirty-one".