131201432242243 has 4 divisors (see below), whose sum is σ = 143128835173368. Its totient is φ = 119274029311120.

The previous prime is 131201432242211. The next prime is 131201432242301. The reversal of 131201432242243 is 342242234102131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131201432242243 - 2⁵ = 131201432242211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131201432242199 and 131201432242208.

It is not an unprimeable number, because it can be changed into a prime (131201432240243) 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, 5963701465546 + ... + 5963701465567.

It is an arithmetic number, because the mean of its divisors is an integer number (35782208793342).

Almost surely, 2^{131201432242243} is an apocalyptic number.

131201432242243 is a deficient number, since it is larger than the sum of its proper divisors (11927402931125).

131201432242243 is a wasteful number, since it uses less digits than its factorization.

131201432242243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11927402931124.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 131201432242243 its reverse (342242234102131), we get a palindrome (473443666344374).

The spelling of 131201432242243 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred thirty-two million, two hundred forty-two thousand, two hundred forty-three".