231444241040642 has 32 divisors (see below), whose sum is σ = 403012494323712. Its totient is φ = 97639187552784.

The previous prime is 231444241040627. The next prime is 231444241040671. The reversal of 231444241040642 is 246040142444132.

It is a self number, because there is not a number n which added to its sum of digits gives 231444241040642.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480304838 + ... + 480786465.

It is an arithmetic number, because the mean of its divisors is an integer number (12594140447616).

Almost surely, 2^{231444241040642} is an apocalyptic number.

231444241040642 is a deficient number, since it is larger than the sum of its proper divisors (171568253283070).

231444241040642 is a wasteful number, since it uses less digits than its factorization.

231444241040642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961091582.

The product of its (nonzero) digits is 589824, while the sum is 41.

Adding to 231444241040642 its reverse (246040142444132), we get a palindrome (477484383484774).

The spelling of 231444241040642 in words is "two hundred thirty-one trillion, four hundred forty-four billion, two hundred forty-one million, forty thousand, six hundred forty-two".