131534343 has 12 divisors (see below), whose sum is σ = 196545960. Its totient is φ = 84665616.

The previous prime is 131534311. The next prime is 131534383. The reversal of 131534343 is 343435131.

131534343 is a `hidden beast` number, since 1 + 315 + 3 + 4 + 343 = 666.

It is not a de Polignac number, because 131534343 - 2⁵ = 131534311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131534383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251721 + ... + 252242.

It is an arithmetic number, because the mean of its divisors is an integer number (16378830).

Almost surely, 2^131534343 is an apocalyptic number.

131534343 is a deficient number, since it is larger than the sum of its proper divisors (65011617).

131534343 is a wasteful number, since it uses less digits than its factorization.

131534343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503998 (or 503995 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 131534343 is about 11468.8422693836. The cubic root of 131534343 is about 508.5649044235.

Adding to 131534343 its reverse (343435131), we get a palindrome (474969474).

The spelling of 131534343 in words is "one hundred thirty-one million, five hundred thirty-four thousand, three hundred forty-three".