131423511304313 has 4 divisors (see below), whose sum is σ = 131423791545588. Its totient is φ = 131423231063040.

The previous prime is 131423511304219. The next prime is 131423511304367. The reversal of 131423511304313 is 313403115324131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 48163488960064 + 83260022344249 = 6939992^2 + 9124693^2 .

It is a cyclic number.

It is not a de Polignac number, because 131423511304313 - 2¹⁰ = 131423511303289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131423511303313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139416008 + ... + 140355513.

It is an arithmetic number, because the mean of its divisors is an integer number (32855947886397).

Almost surely, 2^{131423511304313} is an apocalyptic number.

It is an amenable number.

131423511304313 is a deficient number, since it is larger than the sum of its proper divisors (280241275).

131423511304313 is an equidigital number, since it uses as much as digits as its factorization.

131423511304313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280241274.

The product of its (nonzero) digits is 38880, while the sum is 35.

Adding to 131423511304313 its reverse (313403115324131), we get a palindrome (444826626628444).

The spelling of 131423511304313 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, five hundred eleven million, three hundred four thousand, three hundred thirteen".