131143124 has 24 divisors (see below), whose sum is σ = 263397120. Its totient is φ = 55966176.

The previous prime is 131143123. The next prime is 131143141. The reversal of 131143124 is 421341131.

It is a junction number, because it is equal to n+sod(n) for n = 131143096 and 131143105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131143123) 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, 3107 + ... + 16490.

It is an arithmetic number, because the mean of its divisors is an integer number (10974880).

Almost surely, 2^131143124 is an apocalyptic number.

131143124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131143124 is an abundant number, since it is smaller than the sum of its proper divisors (132253996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131143124 is a wasteful number, since it uses less digits than its factorization.

131143124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19847 (or 19845 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 131143124 is about 11451.7738363976. The cubic root of 131143124 is about 508.0602001528.

Adding to 131143124 its reverse (421341131), we get a palindrome (552484255).

The spelling of 131143124 in words is "one hundred thirty-one million, one hundred forty-three thousand, one hundred twenty-four".