102001004342 has 4 divisors (see below), whose sum is σ = 153001506516. Its totient is φ = 51000502170.

The previous prime is 102001004341. The next prime is 102001004387. The reversal of 102001004342 is 243400100201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102001004342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102001004341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25500251084 + ... + 25500251087.

It is an arithmetic number, because the mean of its divisors is an integer number (38250376629).

Almost surely, 2^102001004342 is an apocalyptic number.

102001004342 is a deficient number, since it is larger than the sum of its proper divisors (51000502174).

102001004342 is an equidigital number, since it uses as much as digits as its factorization.

102001004342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51000502173.

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

Adding to 102001004342 its reverse (243400100201), we get a palindrome (345401104543).

The spelling of 102001004342 in words is "one hundred two billion, one million, four thousand, three hundred forty-two".