131001324012201 has 4 divisors (see below), whose sum is σ = 174668432016272. Its totient is φ = 87334216008132.

The previous prime is 131001324012197. The next prime is 131001324012211. The reversal of 131001324012201 is 102210423100131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 131001324012201 - 2² = 131001324012197 is a prime.

It is a super-2 number, since 2×131001324012201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131001324012211) 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, 21833554002031 + ... + 21833554002036.

It is an arithmetic number, because the mean of its divisors is an integer number (43667108004068).

Almost surely, 2^{131001324012201} is an apocalyptic number.

It is an amenable number.

131001324012201 is a deficient number, since it is larger than the sum of its proper divisors (43667108004071).

131001324012201 is an equidigital number, since it uses as much as digits as its factorization.

131001324012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43667108004070.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 131001324012201 its reverse (102210423100131), we get a palindrome (233211747112332).

The spelling of 131001324012201 in words is "one hundred thirty-one trillion, one billion, three hundred twenty-four million, twelve thousand, two hundred one".