102031040302 has 4 divisors (see below), whose sum is σ = 153046560456. Its totient is φ = 51015520150.

The previous prime is 102031040263. The next prime is 102031040327. The reversal of 102031040302 is 203040130201.

It is a happy number.

102031040302 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25507760074 + ... + 25507760077.

It is an arithmetic number, because the mean of its divisors is an integer number (38261640114).

Almost surely, 2^102031040302 is an apocalyptic number.

102031040302 is a deficient number, since it is larger than the sum of its proper divisors (51015520154).

102031040302 is an equidigital number, since it uses as much as digits as its factorization.

102031040302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51015520153.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 102031040302 its reverse (203040130201), we get a palindrome (305071170503).

The spelling of 102031040302 in words is "one hundred two billion, thirty-one million, forty thousand, three hundred two".