103315615 has 12 divisors (see below), whose sum is σ = 134250264. Its totient is φ = 76293984.

The previous prime is 103315601. The next prime is 103315621. The reversal of 103315615 is 516513301.

It is a de Polignac number, because none of the positive numbers 2^k-103315615 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103315615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60289 + ... + 61978.

It is an arithmetic number, because the mean of its divisors is an integer number (11187522).

Almost surely, 2^103315615 is an apocalyptic number.

103315615 is a deficient number, since it is larger than the sum of its proper divisors (30934649).

103315615 is a wasteful number, since it uses less digits than its factorization.

103315615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122298 (or 122285 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 103315615 is about 10164.4289067316. The cubic root of 103315615 is about 469.2331163652.

Adding to 103315615 its reverse (516513301), we get a palindrome (619828916).

The spelling of 103315615 in words is "one hundred three million, three hundred fifteen thousand, six hundred fifteen".