102312344242 has 8 divisors (see below), whose sum is σ = 153776070000. Its totient is φ = 51053654244.

The previous prime is 102312344219. The next prime is 102312344261. The reversal of 102312344242 is 242443213201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 102312344242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51257692 + ... + 51259687.

It is an arithmetic number, because the mean of its divisors is an integer number (19222008750).

Almost surely, 2^102312344242 is an apocalyptic number.

102312344242 is a deficient number, since it is larger than the sum of its proper divisors (51463725758).

102312344242 is a wasteful number, since it uses less digits than its factorization.

102312344242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102517880.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 102312344242 its reverse (242443213201), we get a palindrome (344755557443).

The spelling of 102312344242 in words is "one hundred two billion, three hundred twelve million, three hundred forty-four thousand, two hundred forty-two".