103412213 has 2 divisors, whose sum is σ = 103412214. Its totient is φ = 103412212.

The previous prime is 103412201. The next prime is 103412219. The reversal of 103412213 is 312214301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102860164 + 552049 = 10142^2 + 743^2 .

It is a cyclic number.

It is not a de Polignac number, because 103412213 - 2²⁰ = 102363637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103412191 and 103412200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103412219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51706106 + 51706107.

It is an arithmetic number, because the mean of its divisors is an integer number (51706107).

Almost surely, 2^103412213 is an apocalyptic number.

It is an amenable number.

103412213 is a deficient number, since it is larger than the sum of its proper divisors (1).

103412213 is an equidigital number, since it uses as much as digits as its factorization.

103412213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 103412213 is about 10169.1795637603. The cubic root of 103412213 is about 469.3793119533.

Adding to 103412213 its reverse (312214301), we get a palindrome (415626514).

The spelling of 103412213 in words is "one hundred three million, four hundred twelve thousand, two hundred thirteen".