131114131243 has 4 divisors (see below), whose sum is σ = 131120937360. Its totient is φ = 131107325128.

The previous prime is 131114131217. The next prime is 131114131271. The reversal of 131114131243 is 342131411131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131114131243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131114131273) 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, 3374080 + ... + 3412717.

It is an arithmetic number, because the mean of its divisors is an integer number (32780234340).

Almost surely, 2^131114131243 is an apocalyptic number.

131114131243 is a deficient number, since it is larger than the sum of its proper divisors (6806117).

131114131243 is an equidigital number, since it uses as much as digits as its factorization.

131114131243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6806116.

The product of its digits is 864, while the sum is 25.

Adding to 131114131243 its reverse (342131411131), we get a palindrome (473245542374).

The spelling of 131114131243 in words is "one hundred thirty-one billion, one hundred fourteen million, one hundred thirty-one thousand, two hundred forty-three".