103213244 has 24 divisors (see below), whose sum is σ = 194557440. Its totient is φ = 47751984.

The previous prime is 103213223. The next prime is 103213249. The reversal of 103213244 is 442312301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103213249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12524 + ... + 19059.

It is an arithmetic number, because the mean of its divisors is an integer number (8106560).

Almost surely, 2^103213244 is an apocalyptic number.

It is an amenable number.

103213244 is a deficient number, since it is larger than the sum of its proper divisors (91344196).

103213244 is a wasteful number, since it uses less digits than its factorization.

103213244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31649 (or 31647 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 103213244 is about 10159.3919109364. The cubic root of 103213244 is about 469.0780841768.

Adding to 103213244 its reverse (442312301), we get a palindrome (545525545).

The spelling of 103213244 in words is "one hundred three million, two hundred thirteen thousand, two hundred forty-four".