131051771 has 8 divisors (see below), whose sum is σ = 132928320. Its totient is φ = 129182472.

The previous prime is 131051731. The next prime is 131051773. The reversal of 131051771 is 177150131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131051771 - 2⁶ = 131051707 is a prime.

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 131051771.

It is not an unprimeable number, because it can be changed into a prime (131051773) 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 7 ways as a sum of consecutive naturals, for example, 41900 + ... + 44918.

It is an arithmetic number, because the mean of its divisors is an integer number (16616040).

Almost surely, 2^131051771 is an apocalyptic number.

131051771 is a deficient number, since it is larger than the sum of its proper divisors (1876549).

131051771 is an equidigital number, since it uses as much as digits as its factorization.

131051771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3625.

The product of its (nonzero) digits is 735, while the sum is 26.

The square root of 131051771 is about 11447.7845454918. The cubic root of 131051771 is about 507.9422028505.

The spelling of 131051771 in words is "one hundred thirty-one million, fifty-one thousand, seven hundred seventy-one".