103133215 has 4 divisors (see below), whose sum is σ = 123759864. Its totient is φ = 82506568.

The previous prime is 103133209. The next prime is 103133231. The reversal of 103133215 is 512331301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103133215 - 2³ = 103133207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103133192 and 103133201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10313317 + ... + 10313326.

It is an arithmetic number, because the mean of its divisors is an integer number (30939966).

Almost surely, 2^103133215 is an apocalyptic number.

103133215 is a deficient number, since it is larger than the sum of its proper divisors (20626649).

103133215 is an equidigital number, since it uses as much as digits as its factorization.

103133215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20626648.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 103133215 is about 10155.4524763794. The cubic root of 103133215 is about 468.9568156418.

Adding to 103133215 its reverse (512331301), we get a palindrome (615464516).

The spelling of 103133215 in words is "one hundred three million, one hundred thirty-three thousand, two hundred fifteen".