103040291 has 2 divisors, whose sum is σ = 103040292. Its totient is φ = 103040290.

The previous prime is 103040279. The next prime is 103040297. The reversal of 103040291 is 192040301.

It is a strong prime.

It is an emirp because it is prime and its reverse (192040301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103040291 - 2¹⁸ = 102778147 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103040297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51520145 + 51520146.

It is an arithmetic number, because the mean of its divisors is an integer number (51520146).

Almost surely, 2^103040291 is an apocalyptic number.

103040291 is a deficient number, since it is larger than the sum of its proper divisors (1).

103040291 is an equidigital number, since it uses as much as digits as its factorization.

103040291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 103040291 is about 10150.8763661075. The cubic root of 103040291 is about 468.8159284810.

Adding to 103040291 its reverse (192040301), we get a palindrome (295080592).

The spelling of 103040291 in words is "one hundred three million, forty thousand, two hundred ninety-one".