131200071 has 8 divisors (see below), whose sum is σ = 174987120. Its totient is φ = 87439872.

The previous prime is 131200063. The next prime is 131200079. The reversal of 131200071 is 170002131.

It is an interprime number because it is at equal distance from previous prime (131200063) and next prime (131200079).

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

It is not a de Polignac number, because 131200071 - 2³ = 131200063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131200071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131200079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12781 + ... + 20633.

It is an arithmetic number, because the mean of its divisors is an integer number (21873390).

Almost surely, 2^131200071 is an apocalyptic number.

131200071 is a deficient number, since it is larger than the sum of its proper divisors (43787049).

131200071 is an equidigital number, since it uses as much as digits as its factorization.

131200071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13425.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 131200071 is about 11454.2599499051. The cubic root of 131200071 is about 508.1337287693.

The spelling of 131200071 in words is "one hundred thirty-one million, two hundred thousand, seventy-one".