131033775 has 12 divisors (see below), whose sum is σ = 216642632. Its totient is φ = 69884640.

The previous prime is 131033767. The next prime is 131033779. The reversal of 131033775 is 577330131.

It is not a de Polignac number, because 131033775 - 2³ = 131033767 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 (131033779) 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 11 ways as a sum of consecutive naturals, for example, 873484 + ... + 873633.

Almost surely, 2^131033775 is an apocalyptic number.

131033775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131033775 is a deficient number, since it is larger than the sum of its proper divisors (85608857).

131033775 is a wasteful number, since it uses less digits than its factorization.

131033775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747130 (or 1747125 counting only the distinct ones).

The product of its (nonzero) digits is 6615, while the sum is 30.

The square root of 131033775 is about 11446.9985148946. The cubic root of 131033775 is about 507.9189516162.

The spelling of 131033775 in words is "one hundred thirty-one million, thirty-three thousand, seven hundred seventy-five".