103111441 has 2 divisors, whose sum is σ = 103111442. Its totient is φ = 103111440.

The previous prime is 103111439. The next prime is 103111453. The reversal of 103111441 is 144111301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69239041 + 33872400 = 8321^2 + 5820^2 .

It is an emirp because it is prime and its reverse (144111301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103111441 - 2¹ = 103111439 is a prime.

Together with 103111439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (103111471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51555720 + 51555721.

It is an arithmetic number, because the mean of its divisors is an integer number (51555721).

Almost surely, 2^103111441 is an apocalyptic number.

It is an amenable number.

103111441 is a deficient number, since it is larger than the sum of its proper divisors (1).

103111441 is an equidigital number, since it uses as much as digits as its factorization.

103111441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 103111441 is about 10154.3803848389. The cubic root of 103111441 is about 468.9238104831.

Adding to 103111441 its reverse (144111301), we get a palindrome (247222742).

The spelling of 103111441 in words is "one hundred three million, one hundred eleven thousand, four hundred forty-one".