131420332432234 has 8 divisors (see below), whose sum is σ = 197140829951268. Its totient is φ = 65706722448480.

The previous prime is 131420332432187. The next prime is 131420332432273. The reversal of 131420332432234 is 432234233024131.

It can be written as a sum of positive squares in 2 ways, for example, as 129606771943009 + 1813560489225 = 11384497^2 + 1346685^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 131420332432193 and 131420332432202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1721836117 + ... + 1721912440.

Almost surely, 2^{131420332432234} is an apocalyptic number.

131420332432234 is a deficient number, since it is larger than the sum of its proper divisors (65720497519034).

131420332432234 is a wasteful number, since it uses less digits than its factorization.

131420332432234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443767640.

The product of its (nonzero) digits is 248832, while the sum is 37.

Adding to 131420332432234 its reverse (432234233024131), we get a palindrome (563654565456365).

The spelling of 131420332432234 in words is "one hundred thirty-one trillion, four hundred twenty billion, three hundred thirty-two million, four hundred thirty-two thousand, two hundred thirty-four".