103315391 has 8 divisors (see below), whose sum is σ = 105423120. Its totient is φ = 101213632.

The previous prime is 103315363. The next prime is 103315397. The reversal of 103315391 is 193513301.

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

It is a cyclic number.

It is not a de Polignac number, because 103315391 - 2⁶ = 103315327 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 103315391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103315397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53051 + ... + 54963.

It is an arithmetic number, because the mean of its divisors is an integer number (13177890).

Almost surely, 2^103315391 is an apocalyptic number.

103315391 is a deficient number, since it is larger than the sum of its proper divisors (2107729).

103315391 is a wasteful number, since it uses less digits than its factorization.

103315391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2985.

The product of its (nonzero) digits is 1215, while the sum is 26.

The square root of 103315391 is about 10164.4178879068. The cubic root of 103315391 is about 469.2327772480.

Adding to 103315391 its reverse (193513301), we get a palindrome (296828692).

The spelling of 103315391 in words is "one hundred three million, three hundred fifteen thousand, three hundred ninety-one".