131201312201 has 4 divisors (see below), whose sum is σ = 134252505552. Its totient is φ = 128150118852.

The previous prime is 131201312189. The next prime is 131201312213. The reversal of 131201312201 is 102213102131.

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 an interprime number because it is at equal distance from previous prime (131201312189) and next prime (131201312213).

It is a cyclic number.

It is not a de Polignac number, because 131201312201 - 2¹⁰ = 131201311177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131201312201.

It is not an unprimeable number, because it can be changed into a prime (131201312101) 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, 1525596611 + ... + 1525596696.

It is an arithmetic number, because the mean of its divisors is an integer number (33563126388).

Almost surely, 2^131201312201 is an apocalyptic number.

It is an amenable number.

131201312201 is a deficient number, since it is larger than the sum of its proper divisors (3051193351).

131201312201 is an equidigital number, since it uses as much as digits as its factorization.

131201312201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051193350.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 131201312201 its reverse (102213102131), we get a palindrome (233414414332).

The spelling of 131201312201 in words is "one hundred thirty-one billion, two hundred one million, three hundred twelve thousand, two hundred one".