131143143 has 8 divisors (see below), whose sum is σ = 175263088. Its totient is φ = 87225984.

The previous prime is 131143141. The next prime is 131143153. The reversal of 131143143 is 341341131.

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

It is not a de Polignac number, because 131143143 - 2¹ = 131143141 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 (131143141) 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, 49180 + ... + 51777.

It is an arithmetic number, because the mean of its divisors is an integer number (21907886).

Almost surely, 2^131143143 is an apocalyptic number.

131143143 is a deficient number, since it is larger than the sum of its proper divisors (44119945).

131143143 is a wasteful number, since it uses less digits than its factorization.

131143143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101393.

The product of its digits is 432, while the sum is 21.

The square root of 131143143 is about 11451.7746659634. The cubic root of 131143143 is about 508.0602246887.

Adding to 131143143 its reverse (341341131), we get a palindrome (472484274).

The spelling of 131143143 in words is "one hundred thirty-one million, one hundred forty-three thousand, one hundred forty-three".