103311215 has 16 divisors (see below), whose sum is σ = 145515072. Its totient is φ = 68926464.

The previous prime is 103311209. The next prime is 103311259. The reversal of 103311215 is 512113301.

It is a cyclic number.

It is not a de Polignac number, because 103311215 - 2⁸ = 103310959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103311193 and 103311202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38594 + ... + 41183.

It is an arithmetic number, because the mean of its divisors is an integer number (9094692).

Almost surely, 2^103311215 is an apocalyptic number.

103311215 is a deficient number, since it is larger than the sum of its proper divisors (42203857).

103311215 is an equidigital number, since it uses as much as digits as its factorization.

103311215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79826.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 103311215 is about 10164.2124633441. The cubic root of 103311215 is about 469.2264550455.

Adding to 103311215 its reverse (512113301), we get a palindrome (615424516).

The spelling of 103311215 in words is "one hundred three million, three hundred eleven thousand, two hundred fifteen".