131435230212550 has 96 divisors (see below), whose sum is σ = 282411428511744. Its totient is φ = 44978478912000.

The previous prime is 131435230212541. The next prime is 131435230212577. The reversal of 131435230212550 is 55212032534131.

It is a happy number.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 89320059 + ... + 90779641.

It is an arithmetic number, because the mean of its divisors is an integer number (2941785713664).

Almost surely, 2^{131435230212550} is an apocalyptic number.

131435230212550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131435230212550 is an abundant number, since it is smaller than the sum of its proper divisors (150976198299194).

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

131435230212550 is a wasteful number, since it uses less digits than its factorization.

131435230212550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469254 (or 1469249 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 131435230212550 its reverse (55212032534131), we get a palindrome (186647262746681).

The spelling of 131435230212550 in words is "one hundred thirty-one trillion, four hundred thirty-five billion, two hundred thirty million, two hundred twelve thousand, five hundred fifty".