131201142210241 has 4 divisors (see below), whose sum is σ = 134747119026772. Its totient is φ = 127655165393712.

The previous prime is 131201142210233. The next prime is 131201142210277. The reversal of 131201142210241 is 142012241102131.

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 112702025086641 + 18499117123600 = 10616121^2 + 4301060^2 .

It is a cyclic number.

It is not a de Polignac number, because 131201142210241 - 2³ = 131201142210233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131201142220241) 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, 1772988408210 + ... + 1772988408283.

It is an arithmetic number, because the mean of its divisors is an integer number (33686779756693).

Almost surely, 2^{131201142210241} is an apocalyptic number.

It is an amenable number.

131201142210241 is a deficient number, since it is larger than the sum of its proper divisors (3545976816531).

131201142210241 is an equidigital number, since it uses as much as digits as its factorization.

131201142210241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545976816530.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 131201142210241 its reverse (142012241102131), we get a palindrome (273213383312372).

The spelling of 131201142210241 in words is "one hundred thirty-one trillion, two hundred one billion, one hundred forty-two million, two hundred ten thousand, two hundred forty-one".