131112343 has 8 divisors (see below), whose sum is σ = 132576912. Its totient is φ = 129652416.

The previous prime is 131112341. The next prime is 131112379. The reversal of 131112343 is 343211131.

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

It is a cyclic number.

It is not a de Polignac number, because 131112343 - 2¹ = 131112341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131112343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131112341) 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, 116821 + ... + 117937.

It is an arithmetic number, because the mean of its divisors is an integer number (16572114).

Almost surely, 2^131112343 is an apocalyptic number.

131112343 is a deficient number, since it is larger than the sum of its proper divisors (1464569).

131112343 is a wasteful number, since it uses less digits than its factorization.

131112343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321.

The product of its digits is 216, while the sum is 19.

The square root of 131112343 is about 11450.4298172601. The cubic root of 131112343 is about 508.0204475928.

Adding to 131112343 its reverse (343211131), we get a palindrome (474323474).

The spelling of 131112343 in words is "one hundred thirty-one million, one hundred twelve thousand, three hundred forty-three".