103440313 has 8 divisors (see below), whose sum is σ = 109850400. Its totient is φ = 97126848.

The previous prime is 103440307. The next prime is 103440317. The reversal of 103440313 is 313044301.

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 103440313 - 2²¹ = 101343161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (103440317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21943 + ... + 26236.

It is an arithmetic number, because the mean of its divisors is an integer number (13731300).

Almost surely, 2^103440313 is an apocalyptic number.

It is an amenable number.

103440313 is a deficient number, since it is larger than the sum of its proper divisors (6410087).

103440313 is a wasteful number, since it uses less digits than its factorization.

103440313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48311.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 103440313 is about 10170.5610956328. The cubic root of 103440313 is about 469.4218226130.

Adding to 103440313 its reverse (313044301), we get a palindrome (416484614).

The spelling of 103440313 in words is "one hundred three million, four hundred forty thousand, three hundred thirteen".