131344433442345 has 16 divisors (see below), whose sum is σ = 210151261907712. Its totient is φ = 70050308369280.

The previous prime is 131344433442337. The next prime is 131344433442377. The reversal of 131344433442345 is 543244334443131.

It is not a de Polignac number, because 131344433442345 - 2³ = 131344433442337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131344433442294 and 131344433442303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21657949 + ... + 27050981.

It is an arithmetic number, because the mean of its divisors is an integer number (13134453869232).

Almost surely, 2^{131344433442345} is an apocalyptic number.

131344433442345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131344433442345 is a deficient number, since it is larger than the sum of its proper divisors (78806828465367).

131344433442345 is a wasteful number, since it uses less digits than its factorization.

131344433442345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7016672.

The product of its digits is 9953280, while the sum is 48.

Adding to 131344433442345 its reverse (543244334443131), we get a palindrome (674588767885476).

The spelling of 131344433442345 in words is "one hundred thirty-one trillion, three hundred forty-four billion, four hundred thirty-three million, four hundred forty-two thousand, three hundred forty-five".