103543213 has 2 divisors, whose sum is σ = 103543214. Its totient is φ = 103543212.

The previous prime is 103543199. The next prime is 103543241. The reversal of 103543213 is 312345301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87647044 + 15896169 = 9362^2 + 3987^2 .

It is a cyclic number.

It is not a de Polignac number, because 103543213 - 2⁹ = 103542701 is a prime.

It is a super-3 number, since 3×103543213³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103543283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51771606 + 51771607.

It is an arithmetic number, because the mean of its divisors is an integer number (51771607).

Almost surely, 2^103543213 is an apocalyptic number.

It is an amenable number.

103543213 is a deficient number, since it is larger than the sum of its proper divisors (1).

103543213 is an equidigital number, since it uses as much as digits as its factorization.

103543213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 103543213 is about 10175.6185561370. The cubic root of 103543213 is about 469.5774276376.

Adding to 103543213 its reverse (312345301), we get a palindrome (415888514).

The spelling of 103543213 in words is "one hundred three million, five hundred forty-three thousand, two hundred thirteen".