131313043 has 4 divisors (see below), whose sum is σ = 131384880. Its totient is φ = 131241208.

The previous prime is 131313031. The next prime is 131313097. The reversal of 131313043 is 340313131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131313043 - 2¹³ = 131304851 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 131313043.

It is not an unprimeable number, because it can be changed into a prime (131313643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33103 + ... + 36856.

It is an arithmetic number, because the mean of its divisors is an integer number (32846220).

Almost surely, 2^131313043 is an apocalyptic number.

131313043 is a deficient number, since it is larger than the sum of its proper divisors (71837).

131313043 is an equidigital number, since it uses as much as digits as its factorization.

131313043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71836.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 131313043 is about 11459.1903291637. The cubic root of 131313043 is about 508.2795325903.

Adding to 131313043 its reverse (340313131), we get a palindrome (471626174).

The spelling of 131313043 in words is "one hundred thirty-one million, three hundred thirteen thousand, forty-three".