100340018 has 16 divisors (see below), whose sum is σ = 162756864. Its totient is φ = 46213440.

The previous prime is 100340017. The next prime is 100340063. The reversal of 100340018 is 810043001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 100339978 and 100340005.

It is not an unprimeable number, because it can be changed into a prime (100340017) 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, 29798 + ... + 32993.

It is an arithmetic number, because the mean of its divisors is an integer number (10172304).

Almost surely, 2^100340018 is an apocalyptic number.

100340018 is a deficient number, since it is larger than the sum of its proper divisors (62416846).

100340018 is a wasteful number, since it uses less digits than its factorization.

100340018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62857.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 100340018 is about 10016.9864729868. The cubic root of 100340018 is about 464.6843628196.

Adding to 100340018 its reverse (810043001), we get a palindrome (910383019).

The spelling of 100340018 in words is "one hundred million, three hundred forty thousand, eighteen".