103143611 has 4 divisors (see below), whose sum is σ = 103836000. Its totient is φ = 102451224.

The previous prime is 103143587. The next prime is 103143637. The reversal of 103143611 is 116341301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 116341301 = 29 ⋅4011769.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103143611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103143011) 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, 345971 + ... + 346268.

It is an arithmetic number, because the mean of its divisors is an integer number (25959000).

Almost surely, 2^103143611 is an apocalyptic number.

103143611 is a deficient number, since it is larger than the sum of its proper divisors (692389).

103143611 is an equidigital number, since it uses as much as digits as its factorization.

103143611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692388.

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

The square root of 103143611 is about 10155.9643067510. The cubic root of 103143611 is about 468.9725723220.

Adding to 103143611 its reverse (116341301), we get a palindrome (219484912).

The spelling of 103143611 in words is "one hundred three million, one hundred forty-three thousand, six hundred eleven".