103402321018 has 16 divisors (see below), whose sum is σ = 163356491520. Its totient is φ = 48953146176.

The previous prime is 103402321003. The next prime is 103402321019. The reversal of 103402321018 is 810123204301.

It is a happy number.

103402321018 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 103402320983 and 103402321001.

It is not an unprimeable number, because it can be changed into a prime (103402321019) 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, 677055 + ... + 815602.

It is an arithmetic number, because the mean of its divisors is an integer number (10209780720).

Almost surely, 2^103402321018 is an apocalyptic number.

103402321018 is a deficient number, since it is larger than the sum of its proper divisors (59954170502).

103402321018 is a wasteful number, since it uses less digits than its factorization.

103402321018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494501.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 103402321018 its reverse (810123204301), we get a palindrome (913525525319).

The spelling of 103402321018 in words is "one hundred three billion, four hundred two million, three hundred twenty-one thousand, eighteen".