131424133301243 has 4 divisors (see below), whose sum is σ = 132652396229400. Its totient is φ = 130195870373088.

The previous prime is 131424133301239. The next prime is 131424133301249. The reversal of 131424133301243 is 342103331424131.

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 131424133301243 - 2² = 131424133301239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131424133301249) 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, 614131463918 + ... + 614131464131.

It is an arithmetic number, because the mean of its divisors is an integer number (33163099057350).

Almost surely, 2^{131424133301243} is an apocalyptic number.

131424133301243 is a deficient number, since it is larger than the sum of its proper divisors (1228262928157).

131424133301243 is a wasteful number, since it uses less digits than its factorization.

131424133301243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228262928156.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 131424133301243 its reverse (342103331424131), we get a palindrome (473527464725374).

The spelling of 131424133301243 in words is "one hundred thirty-one trillion, four hundred twenty-four billion, one hundred thirty-three million, three hundred one thousand, two hundred forty-three".