131403404124343 has 6 divisors (see below), whose sum is σ = 142288893223584. Its totient is φ = 121295449960776.

The previous prime is 131403404124263. The next prime is 131403404124397. The reversal of 131403404124343 is 343421404304131.

It is a de Polignac number, because none of the positive numbers 2^k-131403404124343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131403404124143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 388767467655 + ... + 388767467992.

It is an arithmetic number, because the mean of its divisors is an integer number (23714815537264).

Almost surely, 2^{131403404124343} is an apocalyptic number.

131403404124343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131403404124343 is a deficient number, since it is larger than the sum of its proper divisors (10885489099241).

131403404124343 is an equidigital number, since it uses as much as digits as its factorization.

131403404124343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777534935673 (or 777534935660 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 131403404124343 its reverse (343421404304131), we get a palindrome (474824808428474).

The spelling of 131403404124343 in words is "one hundred thirty-one trillion, four hundred three billion, four hundred four million, one hundred twenty-four thousand, three hundred forty-three".