103143211 has 4 divisors (see below), whose sum is σ = 103168024. Its totient is φ = 103118400.

The previous prime is 103143181. The next prime is 103143223. The reversal of 103143211 is 112341301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112341301 = 9601 ⋅11701.

It is a cyclic number.

It is not a de Polignac number, because 103143211 - 2²¹ = 101046059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103143281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4485 + ... + 15046.

It is an arithmetic number, because the mean of its divisors is an integer number (25792006).

Almost surely, 2^103143211 is an apocalyptic number.

103143211 is a deficient number, since it is larger than the sum of its proper divisors (24813).

103143211 is an equidigital number, since it uses as much as digits as its factorization.

103143211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24812.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 103143211 is about 10155.9446138702. The cubic root of 103143211 is about 468.9719660823.

Adding to 103143211 its reverse (112341301), we get a palindrome (215484512).

The spelling of 103143211 in words is "one hundred three million, one hundred forty-three thousand, two hundred eleven".