103312443 has 16 divisors (see below), whose sum is σ = 156154880. Its totient is φ = 60230304.

The previous prime is 103312441. The next prime is 103312453. The reversal of 103312443 is 344213301.

It is not a de Polignac number, because 103312443 - 2¹ = 103312441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103312441) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 68971 + ... + 70452.

It is an arithmetic number, because the mean of its divisors is an integer number (9759680).

Almost surely, 2^103312443 is an apocalyptic number.

103312443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

103312443 is a deficient number, since it is larger than the sum of its proper divisors (52842437).

103312443 is a wasteful number, since it uses less digits than its factorization.

103312443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139458.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 103312443 is about 10164.2728711896. The cubic root of 103312443 is about 469.2283141783.

Adding to 103312443 its reverse (344213301), we get a palindrome (447525744).

The spelling of 103312443 in words is "one hundred three million, three hundred twelve thousand, four hundred forty-three".