231303225512242 has 16 divisors (see below), whose sum is σ = 377271280451520. Its totient is φ = 105718875288912.

The previous prime is 231303225512231. The next prime is 231303225512263. The reversal of 231303225512242 is 242215522303132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43185812392 + ... + 43185817747.

It is an arithmetic number, because the mean of its divisors is an integer number (23579455028220).

Almost surely, 2^{231303225512242} is an apocalyptic number.

231303225512242 is a deficient number, since it is larger than the sum of its proper divisors (145968054939278).

231303225512242 is a wasteful number, since it uses less digits than its factorization.

231303225512242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86371630257.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 231303225512242 its reverse (242215522303132), we get a palindrome (473518747815374).

The spelling of 231303225512242 in words is "two hundred thirty-one trillion, three hundred three billion, two hundred twenty-five million, five hundred twelve thousand, two hundred forty-two".