103111223393 has 4 divisors (see below), whose sum is σ = 105056718228. Its totient is φ = 101165728560.

The previous prime is 103111223357. The next prime is 103111223431. The reversal of 103111223393 is 393322111301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 393322111301 = 7 ⋅56188873043.

It can be written as a sum of positive squares in 2 ways, for example, as 51233417104 + 51877806289 = 226348^2 + 227767^2 .

It is a cyclic number.

It is not a de Polignac number, because 103111223393 - 2²² = 103107029089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103111223333) 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 3 ways as a sum of consecutive naturals, for example, 972747338 + ... + 972747443.

It is an arithmetic number, because the mean of its divisors is an integer number (26264179557).

Almost surely, 2^103111223393 is an apocalyptic number.

It is an amenable number.

103111223393 is a deficient number, since it is larger than the sum of its proper divisors (1945494835).

103111223393 is an equidigital number, since it uses as much as digits as its factorization.

103111223393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945494834.

The product of its (nonzero) digits is 2916, while the sum is 29.

Adding to 103111223393 its reverse (393322111301), we get a palindrome (496433334694).

The spelling of 103111223393 in words is "one hundred three billion, one hundred eleven million, two hundred twenty-three thousand, three hundred ninety-three".