431255544022643 has 64 divisors (see below), whose sum is σ = 472520241325440. Its totient is φ = 392698364018688.

The previous prime is 431255544022607. The next prime is 431255544022669. The reversal of 431255544022643 is 346220445552134.

It is a cyclic number.

It is not a de Polignac number, because 431255544022643 - 2⁶ = 431255544022579 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431255544022591 and 431255544022600.

It is not an unprimeable number, because it can be changed into a prime (431255544027643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2204764055 + ... + 2204959647.

It is an arithmetic number, because the mean of its divisors is an integer number (7383128770710).

Almost surely, 2^{431255544022643} is an apocalyptic number.

431255544022643 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

431255544022643 is a deficient number, since it is larger than the sum of its proper divisors (41264697302797).

431255544022643 is a wasteful number, since it uses less digits than its factorization.

431255544022643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196248.

The product of its (nonzero) digits is 13824000, while the sum is 50.

Adding to 431255544022643 its reverse (346220445552134), we get a palindrome (777475989574777).

The spelling of 431255544022643 in words is "four hundred thirty-one trillion, two hundred fifty-five billion, five hundred forty-four million, twenty-two thousand, six hundred forty-three".