131325771 has 4 divisors (see below), whose sum is σ = 175101032. Its totient is φ = 87550512.

The previous prime is 131325763. The next prime is 131325781. The reversal of 131325771 is 177523131.

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

It is not a de Polignac number, because 131325771 - 2³ = 131325763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131325751) 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, 21887626 + ... + 21887631.

It is an arithmetic number, because the mean of its divisors is an integer number (43775258).

Almost surely, 2^131325771 is an apocalyptic number.

131325771 is a deficient number, since it is larger than the sum of its proper divisors (43775261).

131325771 is an equidigital number, since it uses as much as digits as its factorization.

131325771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43775260.

The product of its digits is 4410, while the sum is 30.

The square root of 131325771 is about 11459.7456778063. The cubic root of 131325771 is about 508.2959543479.

The spelling of 131325771 in words is "one hundred thirty-one million, three hundred twenty-five thousand, seven hundred seventy-one".