131343230431434 has 128 divisors (see below), whose sum is σ = 315663331737600. Its totient is φ = 35646632202240.

The previous prime is 131343230431367. The next prime is 131343230431463. The reversal of 131343230431434 is 434134032343131.

It is a junction number, because it is equal to n+sod(n) for n = 131343230431392 and 131343230431401.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10860522 + ... + 19509930.

It is an arithmetic number, because the mean of its divisors is an integer number (2466119779200).

Almost surely, 2^{131343230431434} is an apocalyptic number.

131343230431434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131343230431434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157831665868800).

131343230431434 is an abundant number, since it is smaller than the sum of its proper divisors (184320101306166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131343230431434 is a wasteful number, since it uses less digits than its factorization.

131343230431434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8649668.

The product of its (nonzero) digits is 373248, while the sum is 39.

Adding to 131343230431434 its reverse (434134032343131), we get a palindrome (565477262774565).

The spelling of 131343230431434 in words is "one hundred thirty-one trillion, three hundred forty-three billion, two hundred thirty million, four hundred thirty-one thousand, four hundred thirty-four".