131432343 has 16 divisors (see below), whose sum is σ = 206739456. Its totient is φ = 72681120.

The previous prime is 131432317. The next prime is 131432383. The reversal of 131432343 is 343234131.

It is not a de Polignac number, because 131432343 - 2⁸ = 131432087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131432303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100296 + ... + 101597.

It is an arithmetic number, because the mean of its divisors is an integer number (12921216).

Almost surely, 2^131432343 is an apocalyptic number.

131432343 is a deficient number, since it is larger than the sum of its proper divisors (75307113).

131432343 is a wasteful number, since it uses less digits than its factorization.

131432343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201934.

The product of its digits is 2592, while the sum is 24.

The square root of 131432343 is about 11464.3945762522. The cubic root of 131432343 is about 508.4334126940.

Adding to 131432343 its reverse (343234131), we get a palindrome (474666474).

The spelling of 131432343 in words is "one hundred thirty-one million, four hundred thirty-two thousand, three hundred forty-three".