103217210 has 8 divisors (see below), whose sum is σ = 185790996. Its totient is φ = 41286880.

The previous prime is 103217209. The next prime is 103217237. The reversal of 103217210 is 12712301.

It can be written as a sum of positive squares in 2 ways, for example, as 98624761 + 4592449 = 9931^2 + 2143^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5160851 + ... + 5160870.

Almost surely, 2^103217210 is an apocalyptic number.

103217210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103217210 is a deficient number, since it is larger than the sum of its proper divisors (82573786).

103217210 is a wasteful number, since it uses less digits than its factorization.

103217210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10321728.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 103217210 is about 10159.5870979090. The cubic root of 103217210 is about 469.0840922554.

Adding to 103217210 its reverse (12712301), we get a palindrome (115929511).

The spelling of 103217210 in words is "one hundred three million, two hundred seventeen thousand, two hundred ten".