103500231 has 16 divisors (see below), whose sum is σ = 139366656. Its totient is φ = 68321216.

The previous prime is 103500223. The next prime is 103500259. The reversal of 103500231 is 132005301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 103500231 - 2³ = 103500223 is a prime.

It is a super-2 number, since 2×103500231² = 21424595634106722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103500231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103500281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183556 + ... + 184118.

It is an arithmetic number, because the mean of its divisors is an integer number (8710416).

Almost surely, 2^103500231 is an apocalyptic number.

103500231 is a deficient number, since it is larger than the sum of its proper divisors (35866425).

103500231 is a wasteful number, since it uses less digits than its factorization.

103500231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 103500231 is about 10173.5063277122. The cubic root of 103500231 is about 469.5124429488.

Adding to 103500231 its reverse (132005301), we get a palindrome (235505532).

The spelling of 103500231 in words is "one hundred three million, five hundred thousand, two hundred thirty-one".