431113255650 has 288 divisors, whose sum is σ = 1520066995200. Its totient is φ = 84867004800.

The previous prime is 431113255633. The next prime is 431113255693. The reversal of 431113255650 is 56552311134.

431113255650 is a `hidden beast` number, since 43 + 1 + 1 + 13 + 2 + 556 + 50 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 330931 + ... + 985769.

It is an arithmetic number, because the mean of its divisors is an integer number (5278010400).

Almost surely, 2^431113255650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431113255650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (760033497600).

431113255650 is an abundant number, since it is smaller than the sum of its proper divisors (1088953739550).

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

431113255650 is a wasteful number, since it uses less digits than its factorization.

431113255650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654894 (or 654886 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 431113255650 its reverse (56552311134), we get a palindrome (487665566784).

The spelling of 431113255650 in words is "four hundred thirty-one billion, one hundred thirteen million, two hundred fifty-five thousand, six hundred fifty".