131324163001 has 4 divisors (see below), whose sum is σ = 133123124212. Its totient is φ = 129525201792.

The previous prime is 131324162941. The next prime is 131324163023. The reversal of 131324163001 is 100361423131.

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 48092490000 + 83231673001 = 219300^2 + 288499^2 .

It is a cyclic number.

It is not a de Polignac number, because 131324163001 - 2⁷ = 131324162873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131324163031) 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, 899480496 + ... + 899480641.

It is an arithmetic number, because the mean of its divisors is an integer number (33280781053).

Almost surely, 2^131324163001 is an apocalyptic number.

It is an amenable number.

131324163001 is a deficient number, since it is larger than the sum of its proper divisors (1798961211).

131324163001 is an equidigital number, since it uses as much as digits as its factorization.

131324163001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798961210.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 131324163001 its reverse (100361423131), we get a palindrome (231685586132).

The spelling of 131324163001 in words is "one hundred thirty-one billion, three hundred twenty-four million, one hundred sixty-three thousand, one".