103143311 has 2 divisors, whose sum is σ = 103143312. Its totient is φ = 103143310.

The previous prime is 103143281. The next prime is 103143317. The reversal of 103143311 is 113341301.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103143311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103143311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103143317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51571655 + 51571656.

It is an arithmetic number, because the mean of its divisors is an integer number (51571656).

Almost surely, 2^103143311 is an apocalyptic number.

103143311 is a deficient number, since it is larger than the sum of its proper divisors (1).

103143311 is an equidigital number, since it uses as much as digits as its factorization.

103143311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 103143311 is about 10155.9495370940. The cubic root of 103143311 is about 468.9721176423.

Adding to 103143311 its reverse (113341301), we get a palindrome (216484612).

The spelling of 103143311 in words is "one hundred three million, one hundred forty-three thousand, three hundred eleven".