131145343 has 8 divisors (see below), whose sum is σ = 149954688. Its totient is φ = 112354584.

The previous prime is 131145319. The next prime is 131145349. The reversal of 131145343 is 343541131.

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 131145343 - 2¹³ = 131137151 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 (131145349) 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, 17580 + ... + 23902.

It is an arithmetic number, because the mean of its divisors is an integer number (18744336).

Almost surely, 2^131145343 is an apocalyptic number.

131145343 is a deficient number, since it is larger than the sum of its proper divisors (18809345).

131145343 is an equidigital number, since it uses as much as digits as its factorization.

131145343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9293.

The product of its digits is 2160, while the sum is 25.

The square root of 131145343 is about 11451.8707205417. The cubic root of 131145343 is about 508.0630656715.

Adding to 131145343 its reverse (343541131), we get a palindrome (474686474).

The spelling of 131145343 in words is "one hundred thirty-one million, one hundred forty-five thousand, three hundred forty-three".