131203071 has 10 divisors (see below), whose sum is σ = 195994832. Its totient is φ = 87468660.

The previous prime is 131203069. The next prime is 131203091. The reversal of 131203071 is 170302131.

It is not a de Polignac number, because 131203071 - 2¹ = 131203069 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 (131203091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 809815 + ... + 809976.

Almost surely, 2^131203071 is an apocalyptic number.

131203071 is a deficient number, since it is larger than the sum of its proper divisors (64791761).

131203071 is an equidigital number, since it uses as much as digits as its factorization.

131203071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619803 (or 1619794 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 131203071 is about 11454.3909048015. The cubic root of 131203071 is about 508.1376017081.

The spelling of 131203071 in words is "one hundred thirty-one million, two hundred three thousand, seventy-one".