131434431324343 has 4 divisors (see below), whose sum is σ = 150210778656400. Its totient is φ = 112658083992288.

The previous prime is 131434431324341. The next prime is 131434431324353. The reversal of 131434431324343 is 343423134434131.

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 131434431324343 - 2¹ = 131434431324341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131434431324343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131434431324341) 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, 9388173666018 + ... + 9388173666031.

It is an arithmetic number, because the mean of its divisors is an integer number (37552694664100).

Almost surely, 2^{131434431324343} is an apocalyptic number.

131434431324343 is a deficient number, since it is larger than the sum of its proper divisors (18776347332057).

131434431324343 is an equidigital number, since it uses as much as digits as its factorization.

131434431324343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18776347332056.

The product of its digits is 1492992, while the sum is 43.

Adding to 131434431324343 its reverse (343423134434131), we get a palindrome (474857565758474).

The spelling of 131434431324343 in words is "one hundred thirty-one trillion, four hundred thirty-four billion, four hundred thirty-one million, three hundred twenty-four thousand, three hundred forty-three".