131843085 has 32 divisors (see below), whose sum is σ = 235751040. Its totient is φ = 62361600.

The previous prime is 131843081. The next prime is 131843119. The reversal of 131843085 is 580348131.

It is not a de Polignac number, because 131843085 - 2² = 131843081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131843081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2980 + ... + 16509.

It is an arithmetic number, because the mean of its divisors is an integer number (7367220).

Almost surely, 2^131843085 is an apocalyptic number.

131843085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131843085 is a deficient number, since it is larger than the sum of its proper divisors (103907955).

131843085 is a wasteful number, since it uses less digits than its factorization.

131843085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19549.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 131843085 is about 11482.2944135743. The cubic root of 131843085 is about 508.9625005986.

The spelling of 131843085 in words is "one hundred thirty-one million, eight hundred forty-three thousand, eighty-five".