131304334243 has 8 divisors (see below), whose sum is σ = 132223927968. Its totient is φ = 130386586944.

The previous prime is 131304334163. The next prime is 131304334247. The reversal of 131304334243 is 342433403131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131304334243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131304334247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318730 + ... + 603487.

It is an arithmetic number, because the mean of its divisors is an integer number (16527990996).

Almost surely, 2^131304334243 is an apocalyptic number.

131304334243 is a deficient number, since it is larger than the sum of its proper divisors (919593725).

131304334243 is an equidigital number, since it uses as much as digits as its factorization.

131304334243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923213.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 131304334243 its reverse (342433403131), we get a palindrome (473737737374).

The spelling of 131304334243 in words is "one hundred thirty-one billion, three hundred four million, three hundred thirty-four thousand, two hundred forty-three".