131531141 has 12 divisors (see below), whose sum is σ = 154441728. Its totient is φ = 111682872.

The previous prime is 131531093. The next prime is 131531143. The reversal of 131531141 is 141135131.

It is not a de Polignac number, because 131531141 - 2⁶ = 131531077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131531143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7301 + ... + 17786.

It is an arithmetic number, because the mean of its divisors is an integer number (12870144).

Almost surely, 2^131531141 is an apocalyptic number.

It is an amenable number.

131531141 is a deficient number, since it is larger than the sum of its proper divisors (22910587).

131531141 is a wasteful number, since it uses less digits than its factorization.

131531141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25208 (or 25201 counting only the distinct ones).

The product of its digits is 180, while the sum is 20.

The square root of 131531141 is about 11468.7026729269. The cubic root of 131531141 is about 508.5607776482.

Adding to 131531141 its reverse (141135131), we get a palindrome (272666272).

The spelling of 131531141 in words is "one hundred thirty-one million, five hundred thirty-one thousand, one hundred forty-one".