131152271 has 4 divisors (see below), whose sum is σ = 131213544. Its totient is φ = 131091000.

The previous prime is 131152261. The next prime is 131152277. The reversal of 131152271 is 172251131.

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 131152271 - 2¹⁴ = 131135887 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 (131152277) 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, 27305 + ... + 31746.

It is an arithmetic number, because the mean of its divisors is an integer number (32803386).

Almost surely, 2^131152271 is an apocalyptic number.

131152271 is a deficient number, since it is larger than the sum of its proper divisors (61273).

131152271 is an equidigital number, since it uses as much as digits as its factorization.

131152271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61272.

The product of its digits is 420, while the sum is 23.

The square root of 131152271 is about 11452.1731998778. The cubic root of 131152271 is about 508.0720119771.

The spelling of 131152271 in words is "one hundred thirty-one million, one hundred fifty-two thousand, two hundred seventy-one".