103504213 has 12 divisors (see below), whose sum is σ = 107790880. Its totient is φ = 99364320.

The previous prime is 103504171. The next prime is 103504217. The reversal of 103504213 is 312405301.

It is a de Polignac number, because none of the positive numbers 2^k-103504213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103504217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112168 + ... + 113086.

Almost surely, 2^103504213 is an apocalyptic number.

It is an amenable number.

103504213 is a deficient number, since it is larger than the sum of its proper divisors (4286667).

103504213 is an frugal number, since it uses more digits than its factorization.

103504213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 103504213 is about 10173.7020302346. The cubic root of 103504213 is about 469.5184641095.

Adding to 103504213 its reverse (312405301), we get a palindrome (415909514).

The spelling of 103504213 in words is "one hundred three million, five hundred four thousand, two hundred thirteen".