131344353440243 has 4 divisors (see below), whose sum is σ = 131351787062160. Its totient is φ = 131336919818328.

The previous prime is 131344353440233. The next prime is 131344353440269. The reversal of 131344353440243 is 342044353443131.

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 131344353440243 - 2¹⁴ = 131344353423859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131344353440194 and 131344353440203.

It is not an unprimeable number, because it can be changed into a prime (131344353440233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3716784455 + ... + 3716819792.

It is an arithmetic number, because the mean of its divisors is an integer number (32837946765540).

Almost surely, 2^{131344353440243} is an apocalyptic number.

131344353440243 is a deficient number, since it is larger than the sum of its proper divisors (7433621917).

131344353440243 is an equidigital number, since it uses as much as digits as its factorization.

131344353440243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7433621916.

The product of its (nonzero) digits is 2488320, while the sum is 44.

The spelling of 131344353440243 in words is "one hundred thirty-one trillion, three hundred forty-four billion, three hundred fifty-three million, four hundred forty thousand, two hundred forty-three".