102031040042 has 8 divisors (see below), whose sum is σ = 155202145632. Its totient is φ = 50296991500.

The previous prime is 102031040021. The next prime is 102031040047. The reversal of 102031040042 is 240040130201.

102031040042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 102031040042.

It is not an unprimeable number, because it can be changed into a prime (102031040047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359264084 + ... + 359264367.

It is an arithmetic number, because the mean of its divisors is an integer number (19400268204).

Almost surely, 2^102031040042 is an apocalyptic number.

102031040042 is a deficient number, since it is larger than the sum of its proper divisors (53171105590).

102031040042 is an equidigital number, since it uses as much as digits as its factorization.

102031040042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718528524.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 102031040042 its reverse (240040130201), we get a palindrome (342071170243).

The spelling of 102031040042 in words is "one hundred two billion, thirty-one million, forty thousand, forty-two".