103443111 has 6 divisors (see below), whose sum is σ = 149417840. Its totient is φ = 68962068.

The previous prime is 103443103. The next prime is 103443169. The reversal of 103443111 is 111344301.

103443111 is a `hidden beast` number, since 10 + 344 + 311 + 1 = 666.

It is not a de Polignac number, because 103443111 - 2³ = 103443103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103443191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5746831 + ... + 5746848.

Almost surely, 2^103443111 is an apocalyptic number.

103443111 is a deficient number, since it is larger than the sum of its proper divisors (45974729).

103443111 is a wasteful number, since it uses less digits than its factorization.

103443111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11493685 (or 11493682 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 103443111 is about 10170.6986485688. The cubic root of 103443111 is about 469.4260551035.

Adding to 103443111 its reverse (111344301), we get a palindrome (214787412).

The spelling of 103443111 in words is "one hundred three million, four hundred forty-three thousand, one hundred eleven".