131012343 has 128 divisors (see below), whose sum is σ = 261273600. Its totient is φ = 62899200.

The previous prime is 131012333. The next prime is 131012351. The reversal of 131012343 is 343210131.

131012343 is a `hidden beast` number, since 1 + 310 + 12 + 343 = 666.

It is not a de Polignac number, because 131012343 - 2⁴ = 131012327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131012333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2471905 + ... + 2471957.

It is an arithmetic number, because the mean of its divisors is an integer number (2041200).

Almost surely, 2^131012343 is an apocalyptic number.

131012343 is a deficient number, since it is larger than the sum of its proper divisors (130261257).

131012343 is a wasteful number, since it uses less digits than its factorization.

131012343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 131012343 is about 11446.0623360176. The cubic root of 131012343 is about 507.8912582154.

Adding to 131012343 its reverse (343210131), we get a palindrome (474222474).

The spelling of 131012343 in words is "one hundred thirty-one million, twelve thousand, three hundred forty-three".