312434304240242 has 16 divisors (see below), whose sum is σ = 481221834425280. Its totient is φ = 152078438687952.

The previous prime is 312434304240241. The next prime is 312434304240293. The reversal of 312434304240242 is 242042403434213.

It is a junction number, because it is equal to n+sod(n) for n = 312434304240196 and 312434304240205.

It is not an unprimeable number, because it can be changed into a prime (312434304240241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12853135133 + ... + 12853159440.

It is an arithmetic number, because the mean of its divisors is an integer number (30076364651580).

Almost surely, 2^{312434304240242} is an apocalyptic number.

312434304240242 is a deficient number, since it is larger than the sum of its proper divisors (168787530185038).

312434304240242 is a wasteful number, since it uses less digits than its factorization.

312434304240242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25706294737.

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 312434304240242 its reverse (242042403434213), we get a palindrome (554476707674455).

The spelling of 312434304240242 in words is "three hundred twelve trillion, four hundred thirty-four billion, three hundred four million, two hundred forty thousand, two hundred forty-two".