131440230313 has 8 divisors (see below), whose sum is σ = 150285058880. Its totient is φ = 112612314960.

The previous prime is 131440230307. The next prime is 131440230331. The reversal of 131440230313 is 313032044131.

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 131440230313 - 2²¹ = 131438133161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131440231313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4211643 + ... + 4242736.

It is an arithmetic number, because the mean of its divisors is an integer number (18785632360).

Almost surely, 2^131440230313 is an apocalyptic number.

It is an amenable number.

131440230313 is a deficient number, since it is larger than the sum of its proper divisors (18844828567).

131440230313 is an equidigital number, since it uses as much as digits as its factorization.

131440230313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8456607.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 131440230313 its reverse (313032044131), we get a palindrome (444472274444).

The spelling of 131440230313 in words is "one hundred thirty-one billion, four hundred forty million, two hundred thirty thousand, three hundred thirteen".