103217630 has 16 divisors (see below), whose sum is σ = 190113264. Its totient is φ = 40326720.

The previous prime is 103217573. The next prime is 103217663. The reversal of 103217630 is 36712301.

103217630 = T₆₄₂₃ + T₆₄₂₄ + ... + T₆₄₂₇.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103217596 and 103217605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119591 + ... + 120450.

It is an arithmetic number, because the mean of its divisors is an integer number (11882079).

Almost surely, 2^103217630 is an apocalyptic number.

103217630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103217630 is a deficient number, since it is larger than the sum of its proper divisors (86895634).

103217630 is a wasteful number, since it uses less digits than its factorization.

103217630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240091.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 103217630 is about 10159.6077680194. The cubic root of 103217630 is about 469.0847285029.

Adding to 103217630 its reverse (36712301), we get a palindrome (139929931).

The spelling of 103217630 in words is "one hundred three million, two hundred seventeen thousand, six hundred thirty".