100103018 has 4 divisors (see below), whose sum is σ = 150154530. Its totient is φ = 50051508.

The previous prime is 100102993. The next prime is 100103053. The reversal of 100103018 is 810301001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 810301001 = 2659 ⋅304739.

It can be written as a sum of positive squares in only one way, i.e., 93064609 + 7038409 = 9647^2 + 2653^2 .

It is a super-2 number, since 2×100103018² = 20041228425416648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100102993 and 100103011.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25025753 + ... + 25025756.

Almost surely, 2^100103018 is an apocalyptic number.

100103018 is a deficient number, since it is larger than the sum of its proper divisors (50051512).

100103018 is an equidigital number, since it uses as much as digits as its factorization.

100103018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50051511.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 100103018 is about 10005.1495740943. The cubic root of 100103018 is about 464.3182177256.

Adding to 100103018 its reverse (810301001), we get a palindrome (910404019).

The spelling of 100103018 in words is "one hundred million, one hundred three thousand, eighteen".