131314421343 has 8 divisors (see below), whose sum is σ = 200098165888. Its totient is φ = 75036812184.

The previous prime is 131314421333. The next prime is 131314421417. The reversal of 131314421343 is 343124413131.

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

It is a de Polignac number, because none of the positive numbers 2^k-131314421343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131314421343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131314421333) 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, 3126533821 + ... + 3126533862.

It is an arithmetic number, because the mean of its divisors is an integer number (25012270736).

Almost surely, 2^131314421343 is an apocalyptic number.

131314421343 is a deficient number, since it is larger than the sum of its proper divisors (68783744545).

131314421343 is an equidigital number, since it uses as much as digits as its factorization.

131314421343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6253067693.

The product of its digits is 10368, while the sum is 30.

Adding to 131314421343 its reverse (343124413131), we get a palindrome (474438834474).

The spelling of 131314421343 in words is "one hundred thirty-one billion, three hundred fourteen million, four hundred twenty-one thousand, three hundred forty-three".