131312300401 has 4 divisors (see below), whose sum is σ = 131314346212. Its totient is φ = 131310254592.

The previous prime is 131312300393. The next prime is 131312300459. The reversal of 131312300401 is 104003213131.

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 57480542001 + 73831758400 = 239751^2 + 271720^2 .

It is a cyclic number.

It is not a de Polignac number, because 131312300401 - 2³ = 131312300393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131312300461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923400 + ... + 1056073.

It is an arithmetic number, because the mean of its divisors is an integer number (32828586553).

Almost surely, 2^131312300401 is an apocalyptic number.

It is an amenable number.

131312300401 is a deficient number, since it is larger than the sum of its proper divisors (2045811).

131312300401 is an equidigital number, since it uses as much as digits as its factorization.

131312300401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045810.

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

Adding to 131312300401 its reverse (104003213131), we get a palindrome (235315513532).

The spelling of 131312300401 in words is "one hundred thirty-one billion, three hundred twelve million, three hundred thousand, four hundred one".