271720131 has 4 divisors (see below), whose sum is σ = 362293512. Its totient is φ = 181146752.

The previous prime is 271720123. The next prime is 271720153. The reversal of 271720131 is 131027172.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 271720131 - 2³ = 271720123 is a prime.

It is a super-2 number, since 2×271720131² = 147663659181314322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (271720531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45286686 + ... + 45286691.

It is an arithmetic number, because the mean of its divisors is an integer number (90573378).

Almost surely, 2^271720131 is an apocalyptic number.

271720131 is a deficient number, since it is larger than the sum of its proper divisors (90573381).

271720131 is an equidigital number, since it uses as much as digits as its factorization.

271720131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90573380.

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 271720131 is about 16483.9355434314. The cubic root of 271720131 is about 647.7000617117.

The spelling of 271720131 in words is "two hundred seventy-one million, seven hundred twenty thousand, one hundred thirty-one".